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.

A238422 Number of compositions of n where no consecutive parts differ by 1.

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 5
5 7
6 15
7 23
8 43
9 70
10 128
11 214
12 383
13 651
14 1149
15 1971
16 3457
17 5961
18 10412
19 18011
20 31384
21 54384
22 94639
23 164163
24 285454
25 495452
26 861129
27 1495126
28 2597970
29 4511573
30 7838280
31 13613289
32 23649355
33 41076088
34 71354998
35 123939602
36 215294730
37 373962643
38 649597906
39 1128352145

List of values

[1, 1, 2, 2, 5, 7, 15, 23, 43, 70, 128, 214, 383, 651, 1149, 1971, 3457, 5961, 10412, 18011, 31384, 54384, 94639, 164163, 285454, 495452, 861129, 1495126, 2597970, 4511573, 7838280, 13613289, 23649355, 41076088, 71354998, 123939602, 215294730, 373962643, 649597906, 1128352145]

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

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