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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.

A169808 Array T(n,k) read by antidiagonals: T(n,k) is the number of [n,k]-triangulations in the plane, n >= 0, k >= 0.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 3
7 4
8 5
9 4
10 4
11 11
12 14
13 18
14 16
15 12
16 28
17 53
18 69
19 88
20 78
21 27
22 91
23 178
24 295
25 396
26 489
27 457
28 82
29 291
30 685
31 1196
32 1867
33 2503
34 3071
35 2938
36 228
37 1004
38 2548
39 5051
40 8385
41 12560
42 16905
43 20667
44 20118
45 733
46 3471
47 9876
48 21018
49 38078
50 60736
51 89038
52 119571
53 146381
54 144113

List of values

[1, 1, 1, 1, 2, 1, 3, 4, 5, 4, 4, 11, 14, 18, 16, 12, 28, 53, 69, 88, 78, 27, 91, 178, 295, 396, 489, 457, 82, 291, 685, 1196, 1867, 2503, 3071, 2938, 228, 1004, 2548, 5051, 8385, 12560, 16905, 20667, 20118, 733, 3471, 9876, 21018, 38078, 60736, 89038, 119571, 146381, 144113]