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A008488
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Expansion of (1-x^6 )/(1-x)^6.
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2
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1, 6, 21, 56, 126, 252, 461, 786, 1266, 1946, 2877, 4116, 5726, 7776, 10341, 13502, 17346, 21966, 27461, 33936, 41502, 50276, 60381, 71946, 85106, 100002, 116781, 135596, 156606, 179976, 205877
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| Equals binomial transform of [1, 5, 10, 10, 5, 1, -1, 1, -1, 1,...]. - Gary W. Adamson (qntmpkt(AT)yahoo.com), May 12 2008
a(n) = 2+n^4/4+15*n^2/4, n>0. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 27 2009]
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CROSSREFS
| Sequence in context: A015640 A138780 A108907 * A120478 A023031 A090581
Adjacent sequences: A008485 A008486 A008487 * A008489 A008490 A008491
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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