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.

A373500 Number of (binary) heaps of length 2n whose element set equals [n].

Table of values

n a(n)
0 1
1 1
2 5
3 55
4 1004
5 27456
6 1077657
7 59699950
8 3944644671
9 319905929418
10 32390662046661
11 4181039787994506
12 602128996908467070
13 102537208988632300118
14 20497804459093071390108
15 4978144718604701947160364
16 1232227300264551117529973052
17 335016989869301170468736520008

List of values

[1, 1, 5, 55, 1004, 27456, 1077657, 59699950, 3944644671, 319905929418, 32390662046661, 4181039787994506, 602128996908467070, 102537208988632300118, 20497804459093071390108, 4978144718604701947160364, 1232227300264551117529973052, 335016989869301170468736520008]

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

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