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.

A361974 (1,2)-block array, B(1,2), of the natural number array (A000027), read by descending antidiagonals.

Table of values

n a(n)
1 3
2 11
3 8
4 27
5 20
6 15
7 51
8 40
9 31
10 24
11 83
12 68
13 55
14 44
15 35
16 123
17 104
18 87
19 72
20 59
21 48
22 171
23 148
24 127
25 108
26 91
27 76
28 63
29 227
30 200
31 175
32 152
33 131
34 112
35 95
36 80
37 291
38 260
39 231
40 204
41 179
42 156
43 135
44 116
45 99
46 363
47 328
48 295
49 264
50 235
51 208
52 183
53 160
54 139
55 120
56 443
57 404

List of values

[3, 11, 8, 27, 20, 15, 51, 40, 31, 24, 83, 68, 55, 44, 35, 123, 104, 87, 72, 59, 48, 171, 148, 127, 108, 91, 76, 63, 227, 200, 175, 152, 131, 112, 95, 80, 291, 260, 231, 204, 179, 156, 135, 116, 99, 363, 328, 295, 264, 235, 208, 183, 160, 139, 120, 443, 404]