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A137360 Sum_{k <= n/2 } k*binomial(n-2k, 3k+1). +0
3
0, 0, 0, 0, 0, 0, 1, 5, 15, 35, 70, 128, 226, 402, 735, 1375, 2588, 4830, 8882, 16108, 28943, 51785, 92573, 165525, 295869, 528069, 940259, 1669725, 2957941, 5229953, 9233748, 16284106, 28688451, 50490125, 88765885, 155891305, 273495479, 479360847, 839451764 (list; graph; listen)
OFFSET

0,8

REFERENCES

D. E. Knuth, The Art of Computer Programming, Vol. 4A, Section 7.1.4.

CROSSREFS

Cf. A137356-A137361, A136444.

Sequence in context: A140227 A049016 A139761 this_sequence A100355 A048032 A019499

Adjacent sequences: A137357 A137358 A137359 this_sequence A137361 A137362 A137363

KEYWORD

nonn

AUTHOR

D. E. Knuth, Apr 11 2008

page 1

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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