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.

A284353 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 899", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 1
2 7
3 13
4 31
5 61
6 127
7 253
8 511
9 1021
10 2047
11 4093
12 8191
13 16381
14 32767
15 65533
16 131071
17 262141
18 524287
19 1048573
20 2097151
21 4194301
22 8388607
23 16777213
24 33554431
25 67108861
26 134217727
27 268435453
28 536870911
29 1073741821
30 2147483647
31 4294967293
32 8589934591

List of values

[1, 1, 7, 13, 31, 61, 127, 253, 511, 1021, 2047, 4093, 8191, 16381, 32767, 65533, 131071, 262141, 524287, 1048573, 2097151, 4194301, 8388607, 16777213, 33554431, 67108861, 134217727, 268435453, 536870911, 1073741821, 2147483647, 4294967293, 8589934591]