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.

A256260 Total number of ON states after n generations of a cellular automaton-like on the square grid.

Table of values

n a(n)
1 1
2 5
3 9
4 21
5 25
6 37
7 57
8 85
9 89
10 101
11 121
12 149
13 169
14 213
15 281
16 341
17 345
18 357
19 377
20 405
21 425
22 469
23 537
24 597
25 617
26 661
27 729
28 821
29 937
30 1077
31 1241
32 1365
33 1369
34 1381
35 1401
36 1429
37 1449
38 1493
39 1561
40 1621
41 1641
42 1685
43 1753
44 1845
45 1961
46 2101
47 2265
48 2389
49 2409
50 2453
51 2521
52 2613
53 2729
54 2869
55 3033
56 3221
57 3433
58 3669
59 3929
60 4213
61 4521
62 4853
63 5209
64 5461

List of values

[1, 5, 9, 21, 25, 37, 57, 85, 89, 101, 121, 149, 169, 213, 281, 341, 345, 357, 377, 405, 425, 469, 537, 597, 617, 661, 729, 821, 937, 1077, 1241, 1365, 1369, 1381, 1401, 1429, 1449, 1493, 1561, 1621, 1641, 1685, 1753, 1845, 1961, 2101, 2265, 2389, 2409, 2453, 2521, 2613, 2729, 2869, 3033, 3221, 3433, 3669, 3929, 4213, 4521, 4853, 5209, 5461]