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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.

A047690 Denominators of coefficients in Taylor series for exp(cos(x)-1).

Table of values

n a(n)
0 1
1 2
2 6
3 720
4 40320
5 907200
6 479001600
7 87178291200
8 5230697472000
9 6402373705728000
10 221172909834240000
11 281000181944401920000
12 620448401733239439360000
13 403291461126605635584000000
14 76222086152928465125376000000
15 24113896346562823512391680000000

List of values

[1, 2, 6, 720, 40320, 907200, 479001600, 87178291200, 5230697472000, 6402373705728000, 221172909834240000, 281000181944401920000, 620448401733239439360000, 403291461126605635584000000, 76222086152928465125376000000, 24113896346562823512391680000000]

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

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