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.

A161206 V-toothpick (or honeycomb) sequence (see Comments lines for definition).

Table of values

n a(n)
0 0
1 1
2 3
3 7
4 13
5 21
6 31
7 43
8 57
9 69
10 81
11 99
12 123
13 153
14 183
15 211
16 241
17 261
18 273
19 291
20 317
21 351
22 393
23 443
24 499
25 553
26 597
27 645
28 709
29 791
30 871
31 939
32 1005
33 1041
34 1053
35 1071
36 1097
37 1131
38 1173
39 1223
40 1281
41 1339
42 1393
43 1459
44 1549
45 1663
46 1789
47 1911
48 2031
49 2133
50 2193

List of values

[0, 1, 3, 7, 13, 21, 31, 43, 57, 69, 81, 99, 123, 153, 183, 211, 241, 261, 273, 291, 317, 351, 393, 443, 499, 553, 597, 645, 709, 791, 871, 939, 1005, 1041, 1053, 1071, 1097, 1131, 1173, 1223, 1281, 1339, 1393, 1459, 1549, 1663, 1789, 1911, 2031, 2133, 2193]