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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.

A225993 Number of pairs of orthogonal (-1,5) vectors of length 6*n.

Table of values

n a(n)
1 102
2 211332
3 720120000
4 1722187940880
5 4204143930847392
6 11097567635368456704
7 29480432084171748705792
8 78401556201196275000295680
9 210537848971493804380009055232
10 569368618586592872585662539389952

List of values

[102, 211332, 720120000, 1722187940880, 4204143930847392, 11097567635368456704, 29480432084171748705792, 78401556201196275000295680, 210537848971493804380009055232, 569368618586592872585662539389952]

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

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