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.

A261962 Number of compositions of n such that no part equals any of its two immediate predecessors.

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 3
5 5
6 11
7 15
8 23
9 37
10 67
11 101
12 165
13 265
14 419
15 691
16 1123
17 1789
18 2909
19 4657
20 7515
21 12183
22 19657
23 31635
24 51101
25 82449
26 132989
27 214623
28 346485
29 558587
30 901399
31 1454949
32 2347157
33 3787197
34 6111131
35 9858931
36 15908393
37 25669125
38 41416849
39 66826277

List of values

[1, 1, 1, 3, 3, 5, 11, 15, 23, 37, 67, 101, 165, 265, 419, 691, 1123, 1789, 2909, 4657, 7515, 12183, 19657, 31635, 51101, 82449, 132989, 214623, 346485, 558587, 901399, 1454949, 2347157, 3787197, 6111131, 9858931, 15908393, 25669125, 41416849, 66826277]

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

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