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.

A195060 Numbers on the main diagonals and on the axes (x,y) in the square spiral whose vertices are the generalized pentagonal numbers A001318.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 5
5 6
6 7
7 9
8 12
9 13
10 15
11 18
12 22
13 24
14 26
15 30
16 35
17 37
18 40
19 45
20 51
21 54
22 57
23 63
24 70
25 73
26 77
27 84
28 92
29 96
30 100
31 108
32 117
33 121
34 126
35 135
36 145
37 150
38 155
39 165
40 176
41 181
42 187
43 198
44 210
45 216
46 222
47 234
48 247
49 253
50 260
51 273
52 287
53 294
54 301
55 315
56 330

List of values

[0, 1, 2, 3, 5, 6, 7, 9, 12, 13, 15, 18, 22, 24, 26, 30, 35, 37, 40, 45, 51, 54, 57, 63, 70, 73, 77, 84, 92, 96, 100, 108, 117, 121, 126, 135, 145, 150, 155, 165, 176, 181, 187, 198, 210, 216, 222, 234, 247, 253, 260, 273, 287, 294, 301, 315, 330]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.