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.

A255551 Lucky / Unlucky array, shifted version, read by antidiagonals A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), ...

Table of values

n a(n)
2 2
3 4
4 3
5 6
6 5
7 7
8 8
9 11
10 19
11 9
12 10
13 17
14 39
15 27
16 13
17 12
18 23
19 61
20 57
21 45
22 15
23 14
24 29
25 81
26 91
27 97
28 55
29 21
30 16
31 35
32 103
33 121
34 147
35 117
36 85
37 25
38 18
39 41
40 123
41 153
42 199
43 181
44 177
45 109
46 31
47 20
48 47
49 145
50 183
51 253
52 243
53 277
54 225
55 139
56 33
57 22
58 53
59 165
60 217
61 301
62 315
63 369
64 345
65 295
66 157
67 37
68 24
69 59
70 187
71 247
72 351
73 379
74 471
75 465
76 447
77 325
78 175
79 43

List of values

[2, 4, 3, 6, 5, 7, 8, 11, 19, 9, 10, 17, 39, 27, 13, 12, 23, 61, 57, 45, 15, 14, 29, 81, 91, 97, 55, 21, 16, 35, 103, 121, 147, 117, 85, 25, 18, 41, 123, 153, 199, 181, 177, 109, 31, 20, 47, 145, 183, 253, 243, 277, 225, 139, 33, 22, 53, 165, 217, 301, 315, 369, 345, 295, 157, 37, 24, 59, 187, 247, 351, 379, 471, 465, 447, 325, 175, 43]