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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.

A335630 Expansion of e.g.f. Product_{k>0} (1+tan(x)^k).

Table of values

n a(n)
0 1
1 1
2 2
3 14
4 64
5 616
6 5072
7 58064
8 669184
9 9417856
10 137019392
11 2294104064
12 40350383104
13 778782954496
14 16050760435712
15 352024447115264
16 8269739647565824
17 204097141026881536
18 5360540853755052032
19 147190808628196081664
20 4270498402940171321344
21 129024432217526266494976

List of values

[1, 1, 2, 14, 64, 616, 5072, 58064, 669184, 9417856, 137019392, 2294104064, 40350383104, 778782954496, 16050760435712, 352024447115264, 8269739647565824, 204097141026881536, 5360540853755052032, 147190808628196081664, 4270498402940171321344, 129024432217526266494976]

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

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