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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.

A374560 Square array A(n, k), n, k >= 0, read by antidiagonals; A(n, k) = A005836(n+1) + A005836(k+1).

Table of values

n a(n)
0 0
1 1
2 1
3 3
4 2
5 3
6 4
7 4
8 4
9 4
10 9
11 5
12 6
13 5
14 9
15 10
16 10
17 7
18 7
19 10
20 10
21 12
22 11
23 12
24 8
25 12
26 11
27 12
28 13
29 13
30 13
31 13
32 13
33 13
34 13
35 13
36 27
37 14
38 15
39 14
40 18
41 14
42 15
43 14
44 27
45 28
46 28
47 16
48 16
49 19
50 19
51 16
52 16
53 28
54 28
55 30
56 29
57 30
58 17
59 21
60 20
61 21
62 17
63 30
64 29
65 30
66 31
67 31
68 31
69 31
70 22
71 22
72 22
73 22
74 31
75 31
76 31
77 31

List of values

[0, 1, 1, 3, 2, 3, 4, 4, 4, 4, 9, 5, 6, 5, 9, 10, 10, 7, 7, 10, 10, 12, 11, 12, 8, 12, 11, 12, 13, 13, 13, 13, 13, 13, 13, 13, 27, 14, 15, 14, 18, 14, 15, 14, 27, 28, 28, 16, 16, 19, 19, 16, 16, 28, 28, 30, 29, 30, 17, 21, 20, 21, 17, 30, 29, 30, 31, 31, 31, 31, 22, 22, 22, 22, 31, 31, 31, 31]

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