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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.

A357182 Number of integer compositions of n with the same length as their alternating sum.

Table of values

n a(n)
0 1
1 1
2 0
3 0
4 1
5 3
6 1
7 4
8 6
9 20
10 13
11 48
12 50
13 175
14 141
15 512
16 481
17 1719
18 1491
19 5400
20 4929
21 17776
22 15840
23 57420
24 52079
25 188656
26 169989
27 617176
28 559834
29 2033175
30 1842041
31 6697744
32 6085950
33 22139780
34 20123989
35 73262232
36 66697354
37 242931321
38 221314299
39 806516560

List of values

[1, 1, 0, 0, 1, 3, 1, 4, 6, 20, 13, 48, 50, 175, 141, 512, 481, 1719, 1491, 5400, 4929, 17776, 15840, 57420, 52079, 188656, 169989, 617176, 559834, 2033175, 1842041, 6697744, 6085950, 22139780, 20123989, 73262232, 66697354, 242931321, 221314299, 806516560]

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

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