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.

A376962 Number of (binary) heaps of length n whose element set equals {1,2,3}.

Table of values

n a(n)
3 2
4 7
5 23
6 55
7 147
8 281
9 633
10 1241
11 2849
12 5187
13 11195
14 21369
15 47933
16 83821
17 174245
18 324571
19 712247
20 1263211
21 2660843
22 4999291
23 11056139
24 19236203
25 39793055
26 73882568
27 161646306
28 286178632
29 601791336
30 1129403320
31 2495184864
32 4326802772
33 8921711316
34 16528692452

List of values

[2, 7, 23, 55, 147, 281, 633, 1241, 2849, 5187, 11195, 21369, 47933, 83821, 174245, 324571, 712247, 1263211, 2660843, 4999291, 11056139, 19236203, 39793055, 73882568, 161646306, 286178632, 601791336, 1129403320, 2495184864, 4326802772, 8921711316, 16528692452]

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

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