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Search: id:A137490
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A137490 Numbers with 27 divisors. +0
1
900, 1764, 2304, 4356, 4900, 6084, 6400, 10404, 11025, 12100, 12544, 12996, 16900, 19044, 23716, 26244, 27225, 28900, 30276, 30976, 33124, 34596, 36100, 38025, 43264, 49284, 52900, 53361, 56644, 60516, 65025, 66564, 70756, 73984, 74529 (list; graph; listen)
OFFSET

1,1

COMMENT

Maple implementation: see A030513.

FORMULA

A000005(a(n))=27.

CROSSREFS

Cf. A030513-A030516, A030626, A030627, A030634-A030638, A005179, A003680, A096932, A061286, A061283.

Sequence in context: A158409 A061044 A127658 this_sequence A129575 A074853 A162143

Adjacent sequences: A137487 A137488 A137489 this_sequence A137491 A137492 A137493

KEYWORD

nonn

AUTHOR

R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 22 2008

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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