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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.

A071944 Triangle read by rows giving numbers of paths in a lattice satisfying certain conditions.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 2
6 1
7 3
8 5
9 6
10 1
11 4
12 9
13 16
14 19
15 1
16 5
17 14
18 31
19 54
20 63
21 1
22 6
23 20
24 52
25 111
26 188
27 219
28 1
29 7
30 27
31 80
32 197
33 405
34 676
35 787
36 1
37 8
38 35
39 116
40 320
41 752
42 1508
43 2492
44 2897
45 1
46 9
47 44
48 161
49 489
50 1276
51 2900
52 5712
53 9361
54 10869
55 1
56 10
57 54
58 216
59 714
60 2034
61 5095
62 11296
63 21933
64 35702
65 41414

List of values

[1, 1, 1, 1, 2, 2, 1, 3, 5, 6, 1, 4, 9, 16, 19, 1, 5, 14, 31, 54, 63, 1, 6, 20, 52, 111, 188, 219, 1, 7, 27, 80, 197, 405, 676, 787, 1, 8, 35, 116, 320, 752, 1508, 2492, 2897, 1, 9, 44, 161, 489, 1276, 2900, 5712, 9361, 10869, 1, 10, 54, 216, 714, 2034, 5095, 11296, 21933, 35702, 41414]