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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.

A342332 Number of compositions of n with all adjacent parts (x, y) satisfying x > 2y or y > 2x.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 3
5 4
6 4
7 7
8 12
9 17
10 23
11 34
12 51
13 75
14 111
15 164
16 239
17 350
18 520
19 767
20 1123
21 1652
22 2439
23 3587
24 5263
25 7745
26 11411
27 16789
28 24695
29 36347
30 53489
31 78686
32 115779
33 170390
34 250711
35 368866
36 542783
37 798713
38 1175208
39 1729189
40 2544462
41 3744077
42 5509068
43 8106165
44 11927785
45 17550956
46 25824938
47 37999743
48 55914293
49 82274088
50 121060721

List of values

[1, 1, 1, 1, 3, 4, 4, 7, 12, 17, 23, 34, 51, 75, 111, 164, 239, 350, 520, 767, 1123, 1652, 2439, 3587, 5263, 7745, 11411, 16789, 24695, 36347, 53489, 78686, 115779, 170390, 250711, 368866, 542783, 798713, 1175208, 1729189, 2544462, 3744077, 5509068, 8106165, 11927785, 17550956, 25824938, 37999743, 55914293, 82274088, 121060721]

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

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