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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.

A357727 Expansion of e.g.f. cos( 2 * (exp(x) - 1) ).

Table of values

n a(n)
0 1
1 0
2 -4
3 -12
4 -12
5 100
6 852
7 4004
8 9940
9 -36828
10 -726316
11 -6174300
12 -35968812
13 -109708508
14 702818004
15 16677814436
16 188794428628
17 1542659688996
18 8359981681364
19 -3068614764636
20 -868989327994668
21 -15076627082974940
22 -179727483880747308

List of values

[1, 0, -4, -12, -12, 100, 852, 4004, 9940, -36828, -726316, -6174300, -35968812, -109708508, 702818004, 16677814436, 188794428628, 1542659688996, 8359981681364, -3068614764636, -868989327994668, -15076627082974940, -179727483880747308]

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

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