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A078409 Number of ways to partition 4*n+1 into distinct positive integers. +0
3
1, 3, 8, 18, 38, 76, 142, 256, 448, 760, 1260, 2048, 3264, 5120, 7917, 12076, 18200, 27130, 40026, 58499, 84756, 121792, 173682, 245920, 345856, 483330, 671418, 927406, 1274118, 1741521, 2368800, 3207086, 4322816, 5802008, 7755776 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n) = t(4*n+1, 0), t as defined in A079211.

CROSSREFS

Bisection of A078408. Cf. A035294, A000009, A078410.

Sequence in context: A099845 A036635 A000713 this_sequence A036642 A000235 A006478

Adjacent sequences: A078406 A078407 A078408 this_sequence A078410 A078411 A078412

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Dec 27 2002

EXTENSIONS

More terms from Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Dec 28 2002

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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