1Math::NumSeq::TribonaccUis(e3r)Contributed Perl DocumentMaattiho:n:NumSeq::Tribonacci(3)
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NAME

6       Math::NumSeq::Tribonacci -- Tribonacci numbers
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SYNOPSIS

9        use Math::NumSeq::Tribonacci;
10        my $seq = Math::NumSeq::Tribonacci->new;
11        my ($i, $value) = $seq->next;
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DESCRIPTION

14       The Tribonacci sequence 0, 0, 1, 1, 2, 4, 7, 13, etc,
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16           T(i) = T(i-1) + T(i-2) + T(i-3)
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18       starting from 0,0,1.
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FUNCTIONS

21       See "FUNCTIONS" in Math::NumSeq for behaviour common to all sequence
22       classes.
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24       "$seq = Math::NumSeq::Tribonacci->new ()"
25           Create and return a new sequence object.
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27   Random Access
28       "$value = $seq->ith($i)"
29           Return the $i'th Tribonacci number.
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31       "$bool = $seq->pred($value)"
32           Return true if $value is a Tribonacci number.
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34       "$i = $seq->value_to_i_estimate($value)"
35           Return an estimate of the i corresponding to $value.
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SEE ALSO

38       Math::NumSeq, Math::NumSeq::Fibonacci
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HOME PAGE

41       <http://user42.tuxfamily.org/math-numseq/index.html>
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LICENSE

44       Copyright 2010, 2011, 2012, 2013, 2014, 2016, 2019, 2020 Kevin Ryde
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46       Math-NumSeq is free software; you can redistribute it and/or modify it
47       under the terms of the GNU General Public License as published by the
48       Free Software Foundation; either version 3, or (at your option) any
49       later version.
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51       Math-NumSeq is distributed in the hope that it will be useful, but
52       WITHOUT ANY WARRANTY; without even the implied warranty of
53       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
54       General Public License for more details.
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56       You should have received a copy of the GNU General Public License along
57       with Math-NumSeq.  If not, see <http://www.gnu.org/licenses/>.
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61perl v5.34.1                      2022-06-06       Math::NumSeq::Tribonacci(3)