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A327895 Sum-free sequence associated with the periodic sequence 01001 01001 01001 ... . 0
2, 6, 9, 14, 19, 26, 29, 36, 39, 47, 54, 64, 69, 79, 84, 91, 96, 106, 109, 121, 129, 137, 144, 154, 161, 169, 174, 181, 189, 199, 209, 222, 229, 237, 247, 262, 289, 297, 307, 317, 327, 337, 345, 357, 367, 377, 387, 400, 407, 417, 422, 430, 437, 445, 455, 465 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A sum-free sequence is one where the sum of two terms of the sequence is never a member of the sequence.

LINKS

Table of n, a(n) for n=1..56.

Neil J. Calkin and Steven R. Finch, Conditions on periodicity for sum-free sets, Experimental Math. 5 (2) (1996), 131-137.

CROSSREFS

Sequence in context: A049508 A184824 A184836 * A096378 A342426 A217001

Adjacent sequences:  A327892 A327893 A327894 * A327896 A327897 A327898

KEYWORD

nonn

AUTHOR

Jeffrey Shallit, Sep 29 2019

STATUS

approved

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Last modified December 9 06:07 EST 2021. Contains 349627 sequences. (Running on oeis4.)