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A119907 Number of partitions of n such that if k is the largest part, then k-2 occurs as a part. +0
1
0, 0, 0, 0, 1, 1, 3, 4, 7, 9, 15, 18, 27, 34, 47, 58, 79, 96, 127, 155, 199, 242, 308, 371, 465, 561, 694, 833, 1024, 1223, 1491, 1778, 2150, 2556, 3076, 3642, 4359, 5151, 6133, 7225, 8570, 10066, 11892, 13937, 16401, 19173, 22495, 26228, 30676, 35692, 41620 (list; graph; listen)
OFFSET

0,7

FORMULA

G.f. for number of partitions of n such that if k is the largest part, then k-m occurs as a part is Sum(x^(2*i-m)/Product(1-x^j,j=1..i),i=m+1..infinity).

CROSSREFS

Cf. A083751.

Sequence in context: A147953 A163468 A069183 this_sequence A158911 A086772 A086336

Adjacent sequences: A119904 A119905 A119906 this_sequence A119908 A119909 A119910

KEYWORD

easy,nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)eunet.rs), Aug 02 2006

EXTENSIONS

More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), Aug 14 2006

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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