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A027816 66*(n+1)*C(n+5,11). 0
462, 6336, 46332, 240240, 990990, 3459456, 10618608, 29405376, 74826180, 177365760, 395747352, 838053216, 1695505812, 3294910080, 6177956400, 11218384320, 19791524610, 34015101120, 57085528500, 93740446800 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

FORMULA

Number of 17-subsequences of [ 1, n ] with just 5 contiguous pairs; g.f. 66*(7+5x)/(1-x)^13

C(n+7, 7)*C(n+11, 5) - Zerinvary Lajos (zlaja(AT)freemail.hu), May 26 2005

CROSSREFS

Sequence in context: A202642 A158627 A154056 * A027823 A194718 A023912

Adjacent sequences:  A027813 A027814 A027815 * A027817 A027818 A027819

KEYWORD

nonn

AUTHOR

thi ngoc dinh (via rkg(AT)cpsc.ucalgary.ca)

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Last modified February 14 18:33 EST 2012. Contains 205663 sequences.