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.

A318001 E.g.f. A(x) satisfies: cosh(A(x) - A(-x)) - sinh(A(x) + A(-x)) = 1.

Table of values

n a(n)
1 1
2 2
3 6
4 56
5 600
6 8432
7 144816
8 2892416
9 66721920
10 1732489472
11 50144683776
12 1604936139776
13 56236356234240
14 2137961925773312
15 87642967518836736
16 3863105286629851136
17 182345733925971394560
18 9130908475775186173952
19 481864839159167717277696
20 27108466364634568866922496
21 1642481780780610712999034880

List of values

[1, 2, 6, 56, 600, 8432, 144816, 2892416, 66721920, 1732489472, 50144683776, 1604936139776, 56236356234240, 2137961925773312, 87642967518836736, 3863105286629851136, 182345733925971394560, 9130908475775186173952, 481864839159167717277696, 27108466364634568866922496, 1642481780780610712999034880]

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

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