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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.

A283301 Numerators of coefficients at even powers in Taylor series expansion of log(x/sin(x)).

Table of values

n a(n)
0 0
1 1
2 1
3 1
4 1
5 1
6 691
7 2
8 3617
9 43867
10 174611
11 155366
12 236364091
13 1315862
14 3392780147
15 6892673020804
16 7709321041217
17 151628697551
18 26315271553053477373
19 308420411983322
20 261082718496449122051
21 3040195287836141605382
22 2530297234481911294093

List of values

[0, 1, 1, 1, 1, 1, 691, 2, 3617, 43867, 174611, 155366, 236364091, 1315862, 3392780147, 6892673020804, 7709321041217, 151628697551, 26315271553053477373, 308420411983322, 261082718496449122051, 3040195287836141605382, 2530297234481911294093]

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

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