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Search: id:A106218
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A106218 Positions of 2's in A106216. +0
4
6, 9, 12, 21, 27, 33, 69, 75, 84, 87, 93, 96, 111, 123, 126, 162, 165, 192, 225, 228, 231, 234, 237, 240, 264, 270, 273, 276, 288, 300, 306, 318, 321, 339, 345, 354, 357, 360, 378, 381, 384, 390, 417, 426, 429, 432, 438, 441, 447, 453, 468, 471, 474, 477, 483 (list; graph; listen)
OFFSET

0,1

FORMULA

a(n) = 0 (mod 3) for all n.

PROGRAM

(PARI)

CROSSREFS

Cf. A106216, A106217, A106219.

Adjacent sequences: A106215 A106216 A106217 this_sequence A106219 A106220 A106221

Sequence in context: A023386 A036999 A118782 this_sequence A118521 A095213 A064799

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), May 01 2005

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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