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.

A059993 Pinwheel numbers: a(n) = 2*n^2 + 6*n + 1.

Table of values

n a(n)
0 1
1 9
2 21
3 37
4 57
5 81
6 109
7 141
8 177
9 217
10 261
11 309
12 361
13 417
14 477
15 541
16 609
17 681
18 757
19 837
20 921
21 1009
22 1101
23 1197
24 1297
25 1401
26 1509
27 1621
28 1737
29 1857
30 1981
31 2109
32 2241
33 2377
34 2517
35 2661
36 2809
37 2961
38 3117
39 3277
40 3441
41 3609
42 3781
43 3957
44 4137
45 4321
46 4509
47 4701
48 4897

List of values

[1, 9, 21, 37, 57, 81, 109, 141, 177, 217, 261, 309, 361, 417, 477, 541, 609, 681, 757, 837, 921, 1009, 1101, 1197, 1297, 1401, 1509, 1621, 1737, 1857, 1981, 2109, 2241, 2377, 2517, 2661, 2809, 2961, 3117, 3277, 3441, 3609, 3781, 3957, 4137, 4321, 4509, 4701, 4897]

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

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