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.

A280412 Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 261", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 2
2 1
3 14
4 1
5 62
6 1
7 254
8 1
9 1022
10 1
11 4094
12 1
13 16382
14 1
15 65534
16 1
17 262142
18 1
19 1048574
20 1
21 4194302
22 1
23 16777214
24 1
25 67108862
26 1
27 268435454
28 1
29 1073741822
30 1
31 4294967294
32 1
33 17179869182
34 1
35 68719476734
36 1
37 274877906942
38 1
39 1099511627774
40 1
41 4398046511102
42 1

List of values

[1, 2, 1, 14, 1, 62, 1, 254, 1, 1022, 1, 4094, 1, 16382, 1, 65534, 1, 262142, 1, 1048574, 1, 4194302, 1, 16777214, 1, 67108862, 1, 268435454, 1, 1073741822, 1, 4294967294, 1, 17179869182, 1, 68719476734, 1, 274877906942, 1, 1099511627774, 1, 4398046511102, 1]