login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A203590 v(n+1)/v(n), where v=A203589. 2

%I

%S 10,884,214600,101696400,79516330400,92782304200000,

%T 151115361757776000,327547876406050976000,911669878205463707200000,

%U 3169019350028190185654400000,13454908637914924371884576000000

%N v(n+1)/v(n), where v=A203589.

%C See A093883 for a discussion and guide to related sequences.

%t f[j_] := 2 j - 1; z = 12;

%t v[n_] := Product[Product[f[j]^2 + f[k]^2, {j, 1, k - 1}], {k, 2, n}]

%t Table[v[n], {n, 1, z}] (* A203589 *)

%t Table[v[n + 1]/v[n], {n, 1, z}] (* A203590 *)

%K nonn

%O 1,1

%A _Clark Kimberling_, Jan 04 2012

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 13 16:56 EDT 2021. Contains 343862 sequences. (Running on oeis4.)