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.

A141435 a(1) = 1, a(2) = 2; a(n) = a(n-a(1)) + a(n-a(2)) + a(n-a(3)) + a(n-a(4)) + ...

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 11
6 20
7 38
8 71
9 132
10 247
11 461
12 861
13 1609
14 3005
15 5613
16 10485
17 19584
18 36581
19 68330
20 127632
21 238404
22 445314
23 831798
24 1553712
25 2902170
26 5420945
27 10125754
28 18913838
29 35329048
30 65990929
31 123264078
32 230244265
33 430071949
34 803328933

List of values

[1, 2, 3, 6, 11, 20, 38, 71, 132, 247, 461, 861, 1609, 3005, 5613, 10485, 19584, 36581, 68330, 127632, 238404, 445314, 831798, 1553712, 2902170, 5420945, 10125754, 18913838, 35329048, 65990929, 123264078, 230244265, 430071949, 803328933]