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A203474 v(n)/A000178(n); v=A203472 and A000178=(superfactorials). 3
1, 7, 252, 41580, 29729700, 89278289100, 1104908105901600, 55674109640169820800, 11329124570678156834592000, 9258047307912482983660236480000, 30262334718212007877669234596364800000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..11.

MATHEMATICA

f[j_] := j + 2; z = 16;

v[n_] := Product[Product[f[k] + f[j],

{j, 1, k - 1}], {k, 2, n}]

d[n_] := Product[(i - 1)!, {i, 1, n}] (* A000178 *)

Table[v[n], {n, 1, z}]                (* A203472 *)

Table[v[n + 1]/v[n], {n, 1, z - 1}]   (* A203473 *)

Table[v[n]/d[n], {n, 1, 20}]          (* A203474 *)

CROSSREFS

Cf. A203472, A203473, A093883.

Sequence in context: A229482 A193371 A142805 * A228291 A119942 A188421

Adjacent sequences:  A203471 A203472 A203473 * A203475 A203476 A203477

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 02 2012

STATUS

approved

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Last modified March 18 19:58 EDT 2019. Contains 321293 sequences. (Running on oeis4.)