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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A203586 v(n+1)/v(n), where v=A203585. 2
 13, 500, 40426, 5709600, 1256804900, 399383584000, 173474742285000, 98872482630272000, 71645799536067250000, 64368175738481971200000, 70249051303937073666500000, 91567621291850074309120000000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS See A093883 for a discussion and guide to related sequences. LINKS MATHEMATICA f[j_] := j + 1; z = 12; v[n_] := Product[Product[f[j]^2 + f[k]^2, {j, 1, k - 1}], {k, 2, n}] Table[v[n], {n, 1, z}]          (* A203585 *) Table[v[n + 1]/v[n], {n, 1, z}] (* A203586 *) CROSSREFS Sequence in context: A116114 A281181 A183479 * A095883 A139168 A174564 Adjacent sequences:  A203583 A203584 A203585 * A203587 A203588 A203589 KEYWORD nonn AUTHOR Clark Kimberling, Jan 04 2012 STATUS approved

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.

Last modified June 23 16:05 EDT 2021. Contains 345402 sequences. (Running on oeis4.)