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A085360 Partial sums of A026905; the convolution of the natural numbers with the partition function. +0
3
1, 4, 10, 21, 39, 68, 112, 178, 274, 412, 606, 877, 1249, 1756, 2439, 3353, 4564, 6160, 8246, 10959, 14464, 18971, 24733, 32070, 41365, 53096, 67837, 86296, 109320, 137948 (list; graph; listen)
OFFSET

1,2

LINKS

Jon Perry, More Partition Function

EXAMPLE

a(4)=A026905(1)+A026905(2)+A026905(3)+A026905(4)=1+3+6+11=21

MATHEMATICA

s1=s2=0; lst={}; Do[AppendTo[lst, s2+=s1+=PartitionsP[n]], {n, 5!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jul 16 2009]

CROSSREFS

Cf. A026905.

Sequence in context: A049480 A055908 A023538 this_sequence A024988 A144897 A001891

Adjacent sequences: A085357 A085358 A085359 this_sequence A085361 A085362 A085363

KEYWORD

nonn

AUTHOR

Jon Perry (perry(AT)globalnet.co.uk), Jun 25 2003

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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