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.

A261855 Number of compositions of n into distinct parts where each part i is marked with a word of length i over a quaternary alphabet whose letters appear in alphabetical order and all letters occur at least once in the composition.

Table of values

n a(n)
4 9
5 92
6 1562
7 3908
8 14791
9 50208
10 540552
11 987120
12 3138143
13 7862580
14 23436690
15 204455140
16 349297653
17 956040232
18 2228084512
19 5599922904
20 13449425997
21 116772809532
22 182990434794
23 483410072060
24 1033025269277
25 2455590595520
26 5184309618676
27 12755194552152

List of values

[9, 92, 1562, 3908, 14791, 50208, 540552, 987120, 3138143, 7862580, 23436690, 204455140, 349297653, 956040232, 2228084512, 5599922904, 13449425997, 116772809532, 182990434794, 483410072060, 1033025269277, 2455590595520, 5184309618676, 12755194552152]