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.

A273790 Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 931", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 6
2 31
3 80
4 161
5 282
6 451
7 676
8 965
9 1326
10 1767
11 2296
12 2921
13 3650
14 4491
15 5452
16 6541
17 7766
18 9135
19 10656
20 12337
21 14186
22 16211
23 18420
24 20821
25 23422
26 26231
27 29256
28 32505
29 35986
30 39707
31 43676
32 47901
33 52390
34 57151
35 62192
36 67521
37 73146
38 79075
39 85316
40 91877
41 98766

List of values

[1, 6, 31, 80, 161, 282, 451, 676, 965, 1326, 1767, 2296, 2921, 3650, 4491, 5452, 6541, 7766, 9135, 10656, 12337, 14186, 16211, 18420, 20821, 23422, 26231, 29256, 32505, 35986, 39707, 43676, 47901, 52390, 57151, 62192, 67521, 73146, 79075, 85316, 91877, 98766]