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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.

A242503 Number of compositions of n, where the difference between the number of odd parts and the number of even parts is 5.

Table of values

n a(n)
5 1
6 0
7 5
8 7
9 15
10 49
11 71
12 196
13 394
14 753
15 1746
16 3285
17 6865
18 14124
19 27445
20 56661
21 111892
22 222222
23 446524
24 876876
25 1744353
26 3448783
27 6782633
28 13411528
29 26346074
30 51799306
31 101840098
32 199601828
33 391637976
34 767247094
35 1501758784
36 2939789022
37 5747749147
38 11235696151

List of values

[1, 0, 5, 7, 15, 49, 71, 196, 394, 753, 1746, 3285, 6865, 14124, 27445, 56661, 111892, 222222, 446524, 876876, 1744353, 3448783, 6782633, 13411528, 26346074, 51799306, 101840098, 199601828, 391637976, 767247094, 1501758784, 2939789022, 5747749147, 11235696151]

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

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