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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.

A225601 a(n) = A000172(n)^n, where A000172(n) = Sum_{k=0..n} binomial(n,k)^3 forms the Franel numbers.

Table of values

n a(n)
0 1
1 2
2 100
3 175616
4 14331920656
5 57921784155180032
6 12255108779062338588246016
7 140335244044685299494850396160000000
8 89108073653130217591789722357691598453905367296
9 3194443255354428321611505213481524389463527731906791539474432

List of values

[1, 2, 100, 175616, 14331920656, 57921784155180032, 12255108779062338588246016, 140335244044685299494850396160000000, 89108073653130217591789722357691598453905367296, 3194443255354428321611505213481524389463527731906791539474432]

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

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