A216438 Odd composite numbers which do not divide any tribonacci number.
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
Offset: 1
Keywords
Links
- V. Raman, Table of n, a(n) for n = 1..132
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