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A051607 (3*n+7)!!!/7!!!, related to A007559(n+1) ((3*n+1)!!! triple factorials). 0
1, 10, 130, 2080, 39520, 869440, 21736000, 608608000, 18866848000, 641472832000, 23734494784000, 949379791360000, 40823331028480000, 1877873227310080000, 92015788138193920000, 4784820983186083840000 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

Row m=7 of the array A(4; m,n) := ((3*n+m)(!^3))/m(!^3), m >= 0, n >= 0.

FORMULA

a(n) = ((3*n+7)(!^3))/7(!^3); e.g.f.: 1/(1-3*x)^(10/3).

CROSSREFS

Cf. A032031, A007559(n+1), A034000(n+1), A034001(n+1), A051604-A051609 (rows m=0..9).

Sequence in context: A054050 A067313 A104130 * A113386 A166771 A203325

Adjacent sequences:  A051604 A051605 A051606 * A051608 A051609 A051610

KEYWORD

easy,nonn

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)

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Last modified February 17 03:37 EST 2012. Contains 205978 sequences.