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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.

A232432 Number of compositions of n avoiding the pattern 111.

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 7
5 11
6 21
7 34
8 59
9 114
10 178
11 284
12 522
13 823
14 1352
15 2133
16 3739
17 5807
18 9063
19 14074
20 23639
21 36006
22 56914
23 87296
24 131142
25 214933
26 324644
27 487659
28 739291
29 1108457
30 1724673
31 2558386
32 3879335
33 5772348
34 8471344
35 12413666
36 19109304
37 27886339
38 40816496

List of values

[1, 1, 2, 3, 7, 11, 21, 34, 59, 114, 178, 284, 522, 823, 1352, 2133, 3739, 5807, 9063, 14074, 23639, 36006, 56914, 87296, 131142, 214933, 324644, 487659, 739291, 1108457, 1724673, 2558386, 3879335, 5772348, 8471344, 12413666, 19109304, 27886339, 40816496]

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

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