cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A371642 a(n) = Product_{k=0..n} (n^2 + k^2)! / (n^2 - k^2)!.

Table of values

n a(n)
0 1
1 2
2 806400
3 29900785676206001356800000
4 1118776785681133797769642926006209350326602179759885516800000000000000

List of values

[1, 2, 806400, 29900785676206001356800000, 1118776785681133797769642926006209350326602179759885516800000000000000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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