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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.

A357615 Expansion of e.g.f. cosh(sqrt(3) * (exp(x) - 1)).

Table of values

n a(n)
0 1
1 0
2 3
3 9
4 30
5 135
6 705
7 3906
8 22953
9 145053
10 985800
11 7136613
12 54544485
13 437961888
14 3685605735
15 32441696325
16 297977767662
17 2848636972971
18 28278241848309
19 290931124989546
20 3097051613077269
21 34064462020306473
22 386600759467746528
23 4521440483724439521

List of values

[1, 0, 3, 9, 30, 135, 705, 3906, 22953, 145053, 985800, 7136613, 54544485, 437961888, 3685605735, 32441696325, 297977767662, 2848636972971, 28278241848309, 290931124989546, 3097051613077269, 34064462020306473, 386600759467746528, 4521440483724439521]

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

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