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.

A081566 Second binomial transform of expansion of exp(3cosh(x)).

Table of values

n a(n)
0 1
1 2
2 7
3 26
4 118
5 572
6 3127
7 18146
8 114793
9 765602
10 5463982
11 40870436
12 323326813
13 2667777842
14 23092966267
15 207651618746
16 1947316349278
17 18906249136892
18 190564801592107
19 1982986181092226
20 21345005629846213
21 236628248493001202

List of values

[1, 2, 7, 26, 118, 572, 3127, 18146, 114793, 765602, 5463982, 40870436, 323326813, 2667777842, 23092966267, 207651618746, 1947316349278, 18906249136892, 190564801592107, 1982986181092226, 21345005629846213, 236628248493001202]

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

Content is available under The OEIS End-User License Agreement.