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A019469 Numbers n such that (n-2)-nd Catalan number is not divisible by n. 3
2, 3, 4, 6, 8, 9, 12, 15, 16, 27, 30, 32, 33, 36, 39, 42, 64, 81, 84, 87, 90, 93, 96, 108, 111, 114, 117, 120, 123, 128, 243, 246, 249, 252, 255, 256, 258, 270, 273, 276, 279, 282, 285, 324, 327, 330, 333, 336, 339 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Conjecture: sequence is union of powers of two >1 (A000079) and 3 * A096304.

CROSSREFS

Cf. A000108.

Complement of A019470.

Sequence in context: A097273 A006446 A002348 * A081491 A048716 A010434

Adjacent sequences:  A019466 A019467 A019468 * A019470 A019471 A019472

KEYWORD

nonn

AUTHOR

Wouter Meeussen (wouter.meeussen(AT)pandora.be)

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Last modified February 17 03:20 EST 2012. Contains 205978 sequences.