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A010800 n!*(n+1)!*(n+2)!*(n+3)!*(n+4)!*(n+5)! / 2!*3!*4!*5!*6!. 1

%I

%S 1,5040,101606400,6145155072000,929147446886400000,

%T 309071606732292096000000,205619158526859285626880000000,

%U 254046582743105184577722777600000000,549289359343832305886569080815616000000000,1979419135331434097492840339627153817600000000000

%N n!*(n+1)!*(n+2)!*(n+3)!*(n+4)!*(n+5)! / 2!*3!*4!*5!*6!.

%H <a href="/index/Fa#factorial">Index entries for sequences related to factorial numbers</a>

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

%Y Column 6 in triangle A009963.

%K nonn

%O 0,2

%A _N. J. A. Sloane_.

%E More terms from _Harvey P. Dale_, Jul 29 2015

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Last modified May 31 00:06 EDT 2020. Contains 334747 sequences. (Running on oeis4.)