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.

A373452 Number of (binary) heaps of length n whose element set equals [k] (for some k <= n).

Table of values

n a(n)
0 1
1 1
2 2
3 6
4 16
5 64
6 252
7 1460
8 6256
9 39760
10 230056
11 1920152
12 12154416
13 113087888
14 916563592
15 10586707896
16 80444848064
17 898922718272
18 8634371968224
19 117894609062176
20 1160052513737280
21 16638593775310528
22 200744153681516384
23 3415784055462112160
24 38542918215425934624

List of values

[1, 1, 2, 6, 16, 64, 252, 1460, 6256, 39760, 230056, 1920152, 12154416, 113087888, 916563592, 10586707896, 80444848064, 898922718272, 8634371968224, 117894609062176, 1160052513737280, 16638593775310528, 200744153681516384, 3415784055462112160, 38542918215425934624]

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

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