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.

A012494 Expansion of e.g.f. arctan(sin(x)) (odd powers only).

Table of values

n a(n)
0 1
1 -3
2 45
3 -1743
4 125625
5 -14554683
6 2473184805
7 -579439207623
8 179018972217585
9 -70518070842040563
10 34495620120141463965
11 -20515677772241956573503
12 14578232896601243652363945
13 -12198268199871431840616166443
14 11871344562637111570703016357525

List of values

[1, -3, 45, -1743, 125625, -14554683, 2473184805, -579439207623, 179018972217585, -70518070842040563, 34495620120141463965, -20515677772241956573503, 14578232896601243652363945, -12198268199871431840616166443, 11871344562637111570703016357525]

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

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