cp's OEIS Frontend

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.

A009744 Expansion of e.g.f. tan(x)*sin(x) (even powers only).

Table of values

n a(n)
0 0
1 2
2 4
3 62
4 1384
5 50522
6 2702764
7 199360982
8 19391512144
9 2404879675442
10 370371188237524
11 69348874393137902
12 15514534163557086904
13 4087072509293123892362
14 1252259641403629865468284
15 441543893249023104553682822
16 177519391579539289436664789664

List of values

[0, 2, 4, 62, 1384, 50522, 2702764, 199360982, 19391512144, 2404879675442, 370371188237524, 69348874393137902, 15514534163557086904, 4087072509293123892362, 1252259641403629865468284, 441543893249023104553682822, 177519391579539289436664789664]

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

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