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A115276 Number of partitions of {1,...,n} into block sizes not a multiple of 4. 4
1, 1, 2, 5, 14, 47, 173, 702, 3124, 14901, 76405, 417210, 2411466, 14731095, 94573911, 636575050, 4480990936, 32887804361, 251236573561, 1993395483746, 16397468177406, 139634290253907, 1229013163330947, 11166172488138322 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

FORMULA

E.g.f.: exp(sinh(x)+(cosh(x)-cos(x))/2).

CROSSREFS

Cf. A001935, A003724, A115275, A115277.

Sequence in context: A148338 A149903 A149904 * A096402 A007268 A109156

Adjacent sequences:  A115273 A115274 A115275 * A115277 A115278 A115279

KEYWORD

nonn

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Jan 18 2006

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Last modified February 17 14:48 EST 2012. Contains 206048 sequences.