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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.

A062200 Number of compositions of n such that two adjacent parts are not equal modulo 2.

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 2
5 6
6 6
7 11
8 16
9 22
10 37
11 49
12 80
13 113
14 172
15 257
16 377
17 573
18 839
19 1266
20 1874
21 2798
22 4175
23 6204
24 9274
25 13785
26 20577
27 30640
28 45665
29 68072
30 101393
31 151169
32 225193
33 335659
34 500162
35 745342
36 1110790
37 1655187
38 2466760
39 3675822
40 5477917
41 8163217
42 12164896
43 18128529
44 27015092

List of values

[1, 1, 1, 3, 2, 6, 6, 11, 16, 22, 37, 49, 80, 113, 172, 257, 377, 573, 839, 1266, 1874, 2798, 4175, 6204, 9274, 13785, 20577, 30640, 45665, 68072, 101393, 151169, 225193, 335659, 500162, 745342, 1110790, 1655187, 2466760, 3675822, 5477917, 8163217, 12164896, 18128529, 27015092]

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

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