A279872 - cp's OEIS frontend

A279872 Decimal representation of the x-axis, from the left edge to the origin, (and also from the origin to the right edge) of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 209", based on the 5-celled von Neumann neighborhood.

n	a(n)
0	1
1	0
2	7
3	0
4	31
5	0
6	127
7	0
8	511
9	0
10	2047
11	0
12	8191
13	0
14	32767
15	0
16	131071
17	0
18	524287
19	0
20	2097151
21	0
22	8388607
23	0
24	33554431
25	0
26	134217727
27	0
28	536870911
29	0
30	2147483647
31	0
32	8589934591
33	0
34	34359738367
35	0
36	137438953471
37	0
38	549755813887
39	0
40	2199023255551
41	0

[1, 0, 7, 0, 31, 0, 127, 0, 511, 0, 2047, 0, 8191, 0, 32767, 0, 131071, 0, 524287, 0, 2097151, 0, 8388607, 0, 33554431, 0, 134217727, 0, 536870911, 0, 2147483647, 0, 8589934591, 0, 34359738367, 0, 137438953471, 0, 549755813887, 0, 2199023255551, 0]

cp's OEIS Frontend

A279872 Decimal representation of the x-axis, from the left edge to the origin, (and also from the origin to the right edge) of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 209", based on the 5-celled von Neumann neighborhood.

Table of values

List of values