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.

A130618 a(1)=1; a(n+1) = Sum_{k=0..a(n) mod n} a(n-k).

Table of values

n a(n)
1 1
2 1
3 2
4 4
5 4
6 12
7 12
8 35
9 63
10 63
11 173
12 368
13 734
14 1448
15 2884
16 5607
17 11340
18 16947
19 39627
20 79301
21 118928
22 271750
23 543500
24 1092066
25 2184858
26 4358317
27 8727848
28 17455759
29 34911652
30 61095259
31 130918366
32 244381036
33 506138640
34 1012353685
35 2024551664

List of values

[1, 1, 2, 4, 4, 12, 12, 35, 63, 63, 173, 368, 734, 1448, 2884, 5607, 11340, 16947, 39627, 79301, 118928, 271750, 543500, 1092066, 2184858, 4358317, 8727848, 17455759, 34911652, 61095259, 130918366, 244381036, 506138640, 1012353685, 2024551664]