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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.

A279306 Numerators of coefficients in expansion of (cosh(x))/(1 + cos(sqrt(x))).

Table of values

n a(n)
0 1
1 1
2 13
3 377
4 2551
5 97711
6 1686481
7 447824017
8 2522468131
9 22174988051
10 7129179751261
11 1852107834946547
12 34648570480339663
13 828888380086508653
14 273996480127378324681
15 462007733994120695494433
16 308514276772559961052721
17 38471181499444351991058251

List of values

[1, 1, 13, 377, 2551, 97711, 1686481, 447824017, 2522468131, 22174988051, 7129179751261, 1852107834946547, 34648570480339663, 828888380086508653, 273996480127378324681, 462007733994120695494433, 308514276772559961052721, 38471181499444351991058251]

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

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