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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.

A203583 Vandermonde sequence using x^2 - xy + y^2 applied to (2,3,...,n+1).

Table of values

n a(n)
1 1
2 7
3 1092
4 8278452
5 5432386430016
6 486397992095118597312
7 8639860170780148341061245616128
8 41813829909128704365291419329747443010781184
9 72587617701933252361662389738534944047336321767596936396800

List of values

[1, 7, 1092, 8278452, 5432386430016, 486397992095118597312, 8639860170780148341061245616128, 41813829909128704365291419329747443010781184, 72587617701933252361662389738534944047336321767596936396800]

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

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