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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.

A352977 Expansion of e.g.f. cos(2x) cos(3x) / cos(6x) (even powers only).

Table of values

n a(n)
0 1
1 23
2 3985
3 1743623
4 1424614945
5 1870693029623
6 3602792061891505
7 9566946196183630823
8 33500193836861731481665
9 149565522713623779723211223
10 829235405016410370201483113425
11 5589623533324449496004527793434823
12 45017811997394066193946619670380594785

List of values

[1, 23, 3985, 1743623, 1424614945, 1870693029623, 3602792061891505, 9566946196183630823, 33500193836861731481665, 149565522713623779723211223, 829235405016410370201483113425, 5589623533324449496004527793434823, 45017811997394066193946619670380594785]

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

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