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.

A200975 Numbers on the diagonals in Ulam's spiral.

Table of values

n a(n)
1 1
2 3
3 5
4 7
5 9
6 13
7 17
8 21
9 25
10 31
11 37
12 43
13 49
14 57
15 65
16 73
17 81
18 91
19 101
20 111
21 121
22 133
23 145
24 157
25 169
26 183
27 197
28 211
29 225
30 241
31 257
32 273
33 289
34 307
35 325
36 343
37 361
38 381
39 401
40 421
41 441
42 463
43 485
44 507
45 529
46 553
47 577
48 601
49 625
50 651
51 677
52 703
53 729
54 757
55 785
56 813
57 841
58 871
59 901

List of values

[1, 3, 5, 7, 9, 13, 17, 21, 25, 31, 37, 43, 49, 57, 65, 73, 81, 91, 101, 111, 121, 133, 145, 157, 169, 183, 197, 211, 225, 241, 257, 273, 289, 307, 325, 343, 361, 381, 401, 421, 441, 463, 485, 507, 529, 553, 577, 601, 625, 651, 677, 703, 729, 757, 785, 813, 841, 871, 901]