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A010800 n!*(n+1)!*(n+2)!*(n+3)!*(n+4)!*(n+5)! / 2!*3!*4!*5!*6!. 1
1, 5040, 101606400, 6145155072000, 929147446886400000, 309071606732292096000000, 205619158526859285626880000000, 254046582743105184577722777600000000, 549289359343832305886569080815616000000000, 1979419135331434097492840339627153817600000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..9.

Index entries for sequences related to factorial numbers

MATHEMATICA

Module[{nn=20, c=Times@@(Range[2, 6]!)}, (Times@@@Partition[ Range[ nn]!, 6, 1])/c] (* Harvey P. Dale, Jul 29 2015 *)

CROSSREFS

Column 6 in triangle A009963.

Sequence in context: A221622 A318714 A227669 * A172544 A287083 A158039

Adjacent sequences:  A010797 A010798 A010799 * A010801 A010802 A010803

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Harvey P. Dale, Jul 29 2015

STATUS

approved

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Last modified March 28 17:51 EDT 2020. Contains 333103 sequences. (Running on oeis4.)