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A082406 Numbers n such that n divides sum(k=1,n, C(2k,k)). +0
1
1, 2, 5, 8, 11, 12, 17, 23, 29, 41, 47, 53, 59, 71, 83, 89, 101, 107, 113, 130, 131, 137, 149, 167, 173, 179, 191, 196, 197, 227, 233, 238, 239, 251, 257, 263, 266, 269, 281, 293, 311, 317, 322, 347, 353, 359, 383, 389, 401, 419, 431, 443, 449, 461, 467, 479 (list; graph; listen)
OFFSET

1,2

FORMULA

Is a(n) asymptotic to c*n*log(n) with 2<c<2.3 ?

CROSSREFS

Cf. A066796.

Sequence in context: A125217 A083422 A167409 this_sequence A007826 A108589 A093609

Adjacent sequences: A082403 A082404 A082405 this_sequence A082407 A082408 A082409

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 23 2003

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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