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.

A343031 Table read by antidiagonals: T(n, k) is the sum of the numbers on the k-th line of length n when these lines are drawn on the square spiral, where each line contains numbers which sum to the minimum possible value, and each number on the spiral can only be in one line.

Table of values

n a(n)
0 1
1 2
2 3
3 3
4 7
5 9
6 4
7 11
8 12
9 20
10 5
11 15
12 24
13 24
14 39
15 6
16 19
17 33
18 34
19 42
20 67
21 7
22 23
23 42
24 58
25 54
26 71
27 107
28 8
29 27
30 54
31 74
32 75
33 81
34 110
35 160
36 9
37 31
38 66
39 90
40 115
41 105
42 122
43 164
44 229
45 10
46 35
47 75
48 110
49 140
50 141
51 143
52 174
53 232
54 315
55 11
56 39
57 84
58 130
59 165
60 201
61 183
62 198
63 244
64 319
65 421

List of values

[1, 2, 3, 3, 7, 9, 4, 11, 12, 20, 5, 15, 24, 24, 39, 6, 19, 33, 34, 42, 67, 7, 23, 42, 58, 54, 71, 107, 8, 27, 54, 74, 75, 81, 110, 160, 9, 31, 66, 90, 115, 105, 122, 164, 229, 10, 35, 75, 110, 140, 141, 143, 174, 232, 315, 11, 39, 84, 130, 165, 201, 183, 198, 244, 319, 421]