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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.

A385309 Expansion of e.g.f. 1/(1 - 3 * x * cosh(x))^(1/3).

Table of values

n a(n)
0 1
1 1
2 4
3 31
4 328
5 4485
6 75520
7 1509347
8 34916224
9 917703145
10 27011107840
11 880133628231
12 31451749424128
13 1223047891889837
14 51414400611438592
15 2323391075748100555
16 112315439676217262080
17 5783449255108473820497
18 316034972288791445241856
19 18265740423344520141491951

List of values

[1, 1, 4, 31, 328, 4485, 75520, 1509347, 34916224, 917703145, 27011107840, 880133628231, 31451749424128, 1223047891889837, 51414400611438592, 2323391075748100555, 112315439676217262080, 5783449255108473820497, 316034972288791445241856, 18265740423344520141491951]

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

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