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A047915 3*n^2-2*n+6. +0
1
6, 7, 14, 27, 46, 71, 102, 139, 182, 231, 286, 347, 414, 487, 566, 651, 742, 839, 942, 1051, 1166, 1287, 1414, 1547, 1686, 1831, 1982, 2139, 2302, 2471, 2646, 2827, 3014, 3207, 3406, 3611, 3822, 4039, 4262, 4491, 4726, 4967, 5214, 5467, 5726, 5991, 6262, 6539 (list; graph; listen)
OFFSET

0,1

COMMENT

The old entry with this sequence number was a duplicate of A010581.

FORMULA

G.f.: (6-11x+11x^2)/(1-x)^3. Binomial transform of 6,1,6,0,0,.. (0 continued). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 29 2008]

KEYWORD

nonn,new

AUTHOR

Steven Weintraub (mooncalf_(AT)yahoo.com), Sep 24 2008

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Last modified October 9 14:06 EDT 2008. Contains 144831 sequences.


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