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.

A368310 Symmetric array read by antidiagonals: A(n,k) is the number of carryless sums i + j with abs(i) <= n and abs(j) <= k.

Table of values

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

List of values

[1, 2, 2, 3, 4, 3, 4, 6, 6, 4, 5, 8, 9, 8, 5, 6, 10, 12, 12, 10, 6, 7, 12, 15, 16, 15, 12, 7, 8, 14, 18, 20, 20, 18, 14, 8, 9, 16, 21, 24, 25, 24, 21, 16, 9, 10, 18, 24, 28, 30, 30, 28, 24, 18, 10, 11, 19, 26, 31, 34, 35, 34, 31, 26, 19, 11, 12, 21, 27, 33, 37, 39, 39, 37, 33, 27, 21, 12]