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A216438 Odd composite numbers which do not divide any tribonacci number. 1
27, 81, 91, 135, 189, 203, 221, 243, 247, 273, 297, 305, 309, 351, 371, 377, 405, 455, 459, 489, 513, 515, 551, 559, 567, 597, 609, 621, 637, 663, 675, 721, 729, 741, 779, 783, 815, 819, 837, 891, 915, 927, 945, 995, 999, 1001, 1015, 1053, 1079 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Odd composite numbers that do not divide any term of A000213.

LINKS

V. Raman, Table of n, a(n) for n = 1..132

CROSSREFS

Cf. A215782, A000213, A215964.

Sequence in context: A126381 A129254 A215782 * A292872 A057609 A255624

Adjacent sequences:  A216435 A216436 A216437 * A216439 A216440 A216441

KEYWORD

nonn

AUTHOR

V. Raman, Sep 09 2012

STATUS

approved

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Last modified September 30 22:26 EDT 2020. Contains 337440 sequences. (Running on oeis4.)