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.

A220514 D-toothpick sequence of the third kind starting with a X-shaped cross formed by 4 D-toothpicks.

Table of values

n a(n)
0 0
1 4
2 12
3 28
4 44
5 60
6 92
7 136
8 168
9 184
10 216
11 280
12 376
13 440
14 520
15 620
16 684
17 700
18 732
19 796
20 892
21 1020
22 1164
23 1332
24 1508
25 1588
26 1684
27 1860
28 2116
29 2276
30 2452
31 2664
32 2792
33 2808
34 2840
35 2904
36 3000
37 3128
38 3272
39 3448
40 3656
41 3824
42 4016
43 4272
44 4676
45 4992

List of values

[0, 4, 12, 28, 44, 60, 92, 136, 168, 184, 216, 280, 376, 440, 520, 620, 684, 700, 732, 796, 892, 1020, 1164, 1332, 1508, 1588, 1684, 1860, 2116, 2276, 2452, 2664, 2792, 2808, 2840, 2904, 3000, 3128, 3272, 3448, 3656, 3824, 4016, 4272, 4676, 4992]