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.

A357926 a(n) = Sum_{k=0..floor(n/4)} Stirling2(n - 3*k,n - 4*k).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 4
7 7
8 11
9 17
10 29
11 54
12 102
13 187
14 337
15 619
16 1179
17 2298
18 4488
19 8733
20 17085
21 33931
22 68407
23 139030
24 283474
25 580477
26 1198195
27 2496661
28 5241757
29 11061986
30 23453024
31 50008919
32 107338755
33 231825945
34 503294589
35 1097731342
36 2405837254
37 5300147291

List of values

[1, 1, 1, 1, 1, 2, 4, 7, 11, 17, 29, 54, 102, 187, 337, 619, 1179, 2298, 4488, 8733, 17085, 33931, 68407, 139030, 283474, 580477, 1198195, 2496661, 5241757, 11061986, 23453024, 50008919, 107338755, 231825945, 503294589, 1097731342, 2405837254, 5300147291]

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

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