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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.

A226000 Number of pairs of orthogonal (-2,7) vectors of length 9*n.

Table of values

n a(n)
1 2376
2 473173920
3 142896990300480
4 20278050662801226240
5 3273835406669841316064256
6 637732143080315479532514447360
7 115448330868966954716300528059883520

List of values

[2376, 473173920, 142896990300480, 20278050662801226240, 3273835406669841316064256, 637732143080315479532514447360, 115448330868966954716300528059883520]

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

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