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A027813 14*(n+1)*C(n+5,8). 0
56, 630, 3780, 16170, 55440, 162162, 420420, 990990, 2162160, 4424420, 8576568, 15872220, 28217280, 48430620, 80582040, 130423524, 205931880, 317983050, 481180700, 714864150, 1044323280, 1502250750, 2130464700 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

FORMULA

Number of 14-subsequences of [ 1, n ] with just 5 contiguous pairs; g.f. 14*(4+5x)/(1-x)^10

C(n+4, 4)*C(n+8, 5) - Zerinvary Lajos (zlaja(AT)freemail.hu), May 26 2005

CROSSREFS

Sequence in context: A005931 A027793 A055747 * A199914 A190535 A190604

Adjacent sequences:  A027810 A027811 A027812 * A027814 A027815 A027816

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 14:37 EST 2012. Contains 205930 sequences.