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.

A323119 Number of compositions of n where the difference between largest and smallest parts equals two.

Table of values

n a(n)
2 0
3 0
4 2
5 3
6 12
7 20
8 49
9 95
10 188
11 366
12 714
13 1347
14 2565
15 4851
16 9121
17 17082
18 31960
19 59637
20 111065
21 206485
22 383411
23 711109
24 1317528
25 2438838
26 4510987
27 8338099
28 15403007
29 28439107
30 52483921
31 96819153
32 178542957
33 329146111
34 606618210
35 1117730709
36 2059048379

List of values

[0, 0, 2, 3, 12, 20, 49, 95, 188, 366, 714, 1347, 2565, 4851, 9121, 17082, 31960, 59637, 111065, 206485, 383411, 711109, 1317528, 2438838, 4510987, 8338099, 15403007, 28439107, 52483921, 96819153, 178542957, 329146111, 606618210, 1117730709, 2059048379]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.