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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.

A357932 a(n) = Sum_{k=0..floor(n/4)} |Stirling1(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 18
10 33
11 64
12 122
13 227
14 428
15 838
16 1684
17 3396
18 6841
19 13912
20 28787
21 60398
22 127559
23 270687
24 579055
25 1251706
26 2730345
27 5994501
28 13238058
29 29436628
30 65951104
31 148777927
32 337606123
33 770418129
34 1768566987
35 4084504483
36 9486890220

List of values

[1, 1, 1, 1, 1, 2, 4, 7, 11, 18, 33, 64, 122, 227, 428, 838, 1684, 3396, 6841, 13912, 28787, 60398, 127559, 270687, 579055, 1251706, 2730345, 5994501, 13238058, 29436628, 65951104, 148777927, 337606123, 770418129, 1768566987, 4084504483, 9486890220]

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

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