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.

A238833 a(n) = n-1 for n <= 2; thereafter a(n) = A238824(n-2) + A238832(n-1).

Table of values

n a(n)
1 0
2 1
3 0
4 2
5 2
6 7
7 16
8 40
9 101
10 246
11 615
12 1504
13 3724
14 9147
15 22567
16 55541
17 136884
18 337128
19 830628
20 2046145
21 5040932
22 12418320
23 30593281
24 75367352
25 185670647
26 457405836
27 1126836394
28 2776001211
29 6838779857
30 16847579205
31 41504619640
32 102248123906
33 251891939366
34 620544865783
35 1528734638988
36 3766092860744

List of values

[0, 1, 0, 2, 2, 7, 16, 40, 101, 246, 615, 1504, 3724, 9147, 22567, 55541, 136884, 337128, 830628, 2046145, 5040932, 12418320, 30593281, 75367352, 185670647, 457405836, 1126836394, 2776001211, 6838779857, 16847579205, 41504619640, 102248123906, 251891939366, 620544865783, 1528734638988, 3766092860744]