cp's OEIS Frontend

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.

A352649 Expansion of e.g.f. 1/(1 - 3 * x * cosh(x)).

Table of values

n a(n)
0 1
1 3
2 18
3 171
4 2160
5 34035
6 643680
7 14203371
8 358178688
9 10161542691
10 320315005440
11 11106766229163
12 420132741912576
13 17216605635562515
14 759789379494512640
15 35925442734363182955
16 1811923104577065615360
17 97097117111612660889411
18 5509300889675218610552832

List of values

[1, 3, 18, 171, 2160, 34035, 643680, 14203371, 358178688, 10161542691, 320315005440, 11106766229163, 420132741912576, 17216605635562515, 759789379494512640, 35925442734363182955, 1811923104577065615360, 97097117111612660889411, 5509300889675218610552832]

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

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