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.

A057176 a(0) = 1; for n >= 1, a(n) = Sum_{j=0..a(n-1) mod n} a(j).

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 1
5 2
6 4
7 9
8 2
9 4
10 9
11 30
12 15
13 4
14 9
15 30
16 97
17 84
18 84
19 26
20 15
21 127
22 308
23 30
24 15
25 127
26 898
27 24
28 913
29 97
30 24
31 913
32 308
33 69
34 2
35 4
36 9
37 30
38 2996
39 4217
40 308
41 560
42 97
43 69
44 1040
45 11
46 69
47 868
48 9
49 30
50 2996
51 7327
52 14566
53 13618
54 39
55 11544
56 26
57 1938
58 913

List of values

[1, 1, 2, 4, 1, 2, 4, 9, 2, 4, 9, 30, 15, 4, 9, 30, 97, 84, 84, 26, 15, 127, 308, 30, 15, 127, 898, 24, 913, 97, 24, 913, 308, 69, 2, 4, 9, 30, 2996, 4217, 308, 560, 97, 69, 1040, 11, 69, 868, 9, 30, 2996, 7327, 14566, 13618, 39, 11544, 26, 1938, 913]