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.

A113080 Square table, read by antidiagonals, where T(n,k) equals the number of k-tournament sequences of length n for k>=1, with T(0,k) = 1 for k>=1 and T(n,1) = 0 for n>0.

Table of values

n a(n)
1 1
2 0
3 1
4 0
5 1
6 1
7 0
8 2
9 2
10 1
11 0
12 7
13 10
14 3
15 1
16 0
17 41
18 114
19 27
20 4
21 1
22 0
23 397
24 2970
25 693
26 56
27 5
28 1
29 0
30 6377
31 182402
32 52812
33 2704
34 100
35 6
36 1
37 0
38 171886
39 27392682
40 12628008
41 481376
42 8125
43 162
44 7
45 1
46 0
47 7892642
48 10390564242
49 9924266772
50 337587520
51 2918750
52 20502
53 245
54 8

List of values

[1, 0, 1, 0, 1, 1, 0, 2, 2, 1, 0, 7, 10, 3, 1, 0, 41, 114, 27, 4, 1, 0, 397, 2970, 693, 56, 5, 1, 0, 6377, 182402, 52812, 2704, 100, 6, 1, 0, 171886, 27392682, 12628008, 481376, 8125, 162, 7, 1, 0, 7892642, 10390564242, 9924266772, 337587520, 2918750, 20502, 245, 8]