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.

A276277 Association types for monomials with n arguments in an algebra with two binary operations, one commutative, one noncommutative.

Table of values

n a(n)
1 1
2 2
3 6
4 25
5 111
6 540
7 2736
8 14396
9 77649
10 427608
11 2392866
12 13570386
13 77815161
14 450418536
15 2628225684
16 15443406868
17 91301938365
18 542704450806
19 3241411991712
20 19443499011192
21 117084197728737
22 707532791560272
23 4289252607915012
24 26078561954153631

List of values

[1, 2, 6, 25, 111, 540, 2736, 14396, 77649, 427608, 2392866, 13570386, 77815161, 450418536, 2628225684, 15443406868, 91301938365, 542704450806, 3241411991712, 19443499011192, 117084197728737, 707532791560272, 4289252607915012, 26078561954153631]