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.

A274841 Number of set partitions of [n] such that the difference between each element and its block index is a multiple of eight.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 2
10 3
11 4
12 5
13 6
14 7
15 8
16 9
17 19
18 38
19 73
20 136
21 247
22 438
23 757
24 1268
25 3303
26 7883
27 17801
28 38745
29 82179
30 170907
31 349341
32 700517
33 2066512
34 5768089
35 15386070
36 39563059
37 98692628
38 239843745
39 569063602
40 1318211431
41 4290275275
42 13443268926

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 19, 38, 73, 136, 247, 438, 757, 1268, 3303, 7883, 17801, 38745, 82179, 170907, 349341, 700517, 2066512, 5768089, 15386070, 39563059, 98692628, 239843745, 569063602, 1318211431, 4290275275, 13443268926]