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.

A249055 a(1)=0; the next term is always the product of the two smallest numbers not yet in the sequence and which have not yet been used.

Table of values

n a(n)
1 0
2 2
3 12
4 30
5 56
6 90
7 143
8 210
9 272
10 342
11 420
12 506
13 600
14 702
15 812
16 992
17 1122
18 1260
19 1406
20 1560
21 1722
22 1892
23 2070
24 2256
25 2450
26 2652
27 2862
28 3135
29 3422
30 3660
31 3906
32 4160
33 4422
34 4692
35 4970
36 5256
37 5550
38 5852
39 6162
40 6480
41 6806
42 7140
43 7482
44 7832
45 8372
46 8742
47 9120
48 9506
49 9900

List of values

[0, 2, 12, 30, 56, 90, 143, 210, 272, 342, 420, 506, 600, 702, 812, 992, 1122, 1260, 1406, 1560, 1722, 1892, 2070, 2256, 2450, 2652, 2862, 3135, 3422, 3660, 3906, 4160, 4422, 4692, 4970, 5256, 5550, 5852, 6162, 6480, 6806, 7140, 7482, 7832, 8372, 8742, 9120, 9506, 9900]