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A203483 v(n+1)/v(n), where v=A203482. 3
3, 56, 19500, 267841728, 236189890379520, 19303349192505048268800, 199126474924007956512865886208000, 339543987407937097660189431863908761600000000, 121553118121801544803671246298148699436481551316864204800000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

MATHEMATICA

f[j_] := j!; z = 10;

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}]                 (* A203482 *)

Table[v[n + 1]/v[n], {n, 1, z - 1}]    (* A203483 *)

Table[v[n]/d[n], {n, 1, 10}]           (* A203510 *)

CROSSREFS

Cf. A203482, A203510, A000142, A093883.

Sequence in context: A287396 A070731 A132489 * A051227 A122548 A078728

Adjacent sequences:  A203480 A203481 A203482 * A203484 A203485 A203486

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 03 2012

STATUS

approved

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Last modified June 17 15:07 EDT 2019. Contains 324185 sequences. (Running on oeis4.)