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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.

A203585 Vandermonde sequence using x^2 + y^2 applied to (2,3,...,n+1).

Table of values

n a(n)
1 1
2 13
3 6500
4 262769000
5 1500305882400000
6 1885591784499143760000000
7 753074404854223679800035840000000000
8 130639388303516205847055577677763494400000000000000

List of values

[1, 13, 6500, 262769000, 1500305882400000, 1885591784499143760000000, 753074404854223679800035840000000000, 130639388303516205847055577677763494400000000000000]

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

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