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.

A105343 Elements of even index in the sequence gives A005893, points on surface of tetrahedron: 2n^2 + 2 for n > 1.

Table of values

n a(n)
0 1
1 3
2 4
3 7
4 10
5 15
6 20
7 27
8 34
9 43
10 52
11 63
12 74
13 87
14 100
15 115
16 130
17 147
18 164
19 183
20 202
21 223
22 244
23 267
24 290
25 315
26 340
27 367
28 394
29 423
30 452
31 483
32 514
33 547
34 580
35 615
36 650
37 687
38 724
39 763
40 802
41 843
42 884
43 927
44 970
45 1015
46 1060
47 1107
48 1154
49 1203
50 1252
51 1303
52 1354
53 1407

List of values

[1, 3, 4, 7, 10, 15, 20, 27, 34, 43, 52, 63, 74, 87, 100, 115, 130, 147, 164, 183, 202, 223, 244, 267, 290, 315, 340, 367, 394, 423, 452, 483, 514, 547, 580, 615, 650, 687, 724, 763, 802, 843, 884, 927, 970, 1015, 1060, 1107, 1154, 1203, 1252, 1303, 1354, 1407]