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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.

A335335 Irregular triangle T(n,k) of Arnold numbers with n>=1 and 1<= abs(k) <= n.

Table of values

n a(n)
1 1
2 1
3 0
4 1
5 1
6 2
7 0
8 2
9 3
10 3
11 4
12 4
13 0
14 4
15 8
16 11
17 11
18 14
19 16
20 16
21 0
22 16
23 32
24 46
25 57
26 57
27 68
28 76
29 80
30 80
31 0
32 80
33 160
34 236
35 304
36 361
37 361
38 418
39 464
40 496
41 512
42 512
43 0
44 512
45 1024
46 1520
47 1984
48 2402
49 2763
50 2763
51 3124
52 3428
53 3664
54 3824
55 3904
56 3904
57 0
58 3904
59 7808
60 11632
61 15296
62 18724
63 21848
64 24611
65 24611
66 27374
67 29776
68 31760
69 33280
70 34304
71 34816
72 34816

List of values

[1, 1, 0, 1, 1, 2, 0, 2, 3, 3, 4, 4, 0, 4, 8, 11, 11, 14, 16, 16, 0, 16, 32, 46, 57, 57, 68, 76, 80, 80, 0, 80, 160, 236, 304, 361, 361, 418, 464, 496, 512, 512, 0, 512, 1024, 1520, 1984, 2402, 2763, 2763, 3124, 3428, 3664, 3824, 3904, 3904, 0, 3904, 7808, 11632, 15296, 18724, 21848, 24611, 24611, 27374, 29776, 31760, 33280, 34304, 34816, 34816]