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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.

A333148 Number of compositions of n whose non-adjacent parts are weakly decreasing.

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 7
5 12
6 19
7 30
8 46
9 69
10 102
11 149
12 214
13 304
14 428
15 596
16 823
17 1127
18 1532
19 2068
20 2774
21 3697
22 4900
23 6460
24 8474
25 11061
26 14375
27 18600
28 23970
29 30770
30 39354
31 50153
32 63702
33 80646
34 101783
35 128076
36 160701
37 201076
38 250933
39 312346
40 387832
41 480409
42 593716
43 732105
44 900810
45 1106063
46 1355336
47 1657517
48 2023207
49 2464987
50 2997834
51 3639464

List of values

[1, 1, 2, 4, 7, 12, 19, 30, 46, 69, 102, 149, 214, 304, 428, 596, 823, 1127, 1532, 2068, 2774, 3697, 4900, 6460, 8474, 11061, 14375, 18600, 23970, 30770, 39354, 50153, 63702, 80646, 101783, 128076, 160701, 201076, 250933, 312346, 387832, 480409, 593716, 732105, 900810, 1106063, 1355336, 1657517, 2023207, 2464987, 2997834, 3639464]

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

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