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.

A271625 a(n) = = 2*(n+1)^2 - 5.

Table of values

n a(n)
1 3
2 13
3 27
4 45
5 67
6 93
7 123
8 157
9 195
10 237
11 283
12 333
13 387
14 445
15 507
16 573
17 643
18 717
19 795
20 877
21 963
22 1053
23 1147
24 1245
25 1347
26 1453
27 1563
28 1677
29 1795
30 1917
31 2043
32 2173
33 2307
34 2445
35 2587
36 2733
37 2883
38 3037
39 3195
40 3357
41 3523
42 3693
43 3867
44 4045
45 4227
46 4413
47 4603
48 4797
49 4995
50 5197
51 5403
52 5613
53 5827

List of values

[3, 13, 27, 45, 67, 93, 123, 157, 195, 237, 283, 333, 387, 445, 507, 573, 643, 717, 795, 877, 963, 1053, 1147, 1245, 1347, 1453, 1563, 1677, 1795, 1917, 2043, 2173, 2307, 2445, 2587, 2733, 2883, 3037, 3195, 3357, 3523, 3693, 3867, 4045, 4227, 4413, 4603, 4797, 4995, 5197, 5403, 5613, 5827]