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A076233 Sigma[1, n]/n, Sigma[3, n]/n are integers. +0
3
1, 6, 120, 496, 672, 8128, 30240, 32760, 523776, 23569920, 33550336, 459818240, 1379454720, 1476304896, 8589869056, 31998395520, 51001180160, 66433720320 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Cf. A007691, A046763, A055709, A076231, A076234.

Sequence in context: A127726 A117063 A001219 this_sequence A066581 A054776 A076231

Adjacent sequences: A076230 A076231 A076232 this_sequence A076234 A076235 A076236

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Oct 04 2002

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Last modified December 3 14:12 EST 2008. Contains 151279 sequences.


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