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.

A182840 Toothpick sequence on hexagonal net.

Table of values

n a(n)
0 0
1 1
2 5
3 13
4 27
5 43
6 57
7 81
8 119
9 151
10 165
11 189
12 235
13 299
14 353
15 409
16 495
17 559
18 573
19 597
20 643
21 707
22 769
23 849
24 975
25 1119
26 1205
27 1261
28 1371
29 1539
30 1697
31 1841
32 2039
33 2167
34 2181
35 2205
36 2251
37 2315
38 2377
39 2457
40 2583
41 2727
42 2821
43 2901
44 3043
45 3267
46 3505
47 3729
48 4015

List of values

[0, 1, 5, 13, 27, 43, 57, 81, 119, 151, 165, 189, 235, 299, 353, 409, 495, 559, 573, 597, 643, 707, 769, 849, 975, 1119, 1205, 1261, 1371, 1539, 1697, 1841, 2039, 2167, 2181, 2205, 2251, 2315, 2377, 2457, 2583, 2727, 2821, 2901, 3043, 3267, 3505, 3729, 4015]

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

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