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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.

A225990 Number of pairs of orthogonal (-2,3) vectors of length 5*n.

Table of values

n a(n)
1 60
2 48720
3 41801760
4 36951200000
5 33792065269760
6 31520952625612800
7 29804588641610956800
8 28466071692659367936000
9 27397648707462915867279360
10 26530254119576872937974661120
11 25817362047962660055225414451200

List of values

[60, 48720, 41801760, 36951200000, 33792065269760, 31520952625612800, 29804588641610956800, 28466071692659367936000, 27397648707462915867279360, 26530254119576872937974661120, 25817362047962660055225414451200]

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

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