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.

A284354 Decimal representation of the x-axis, from the origin to the right edge, 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 2
2 7
3 11
4 31
5 47
6 127
7 191
8 511
9 767
10 2047
11 3071
12 8191
13 12287
14 32767
15 49151
16 131071
17 196607
18 524287
19 786431
20 2097151
21 3145727
22 8388607
23 12582911
24 33554431
25 50331647
26 134217727
27 201326591
28 536870911
29 805306367
30 2147483647
31 3221225471
32 8589934591

List of values

[1, 2, 7, 11, 31, 47, 127, 191, 511, 767, 2047, 3071, 8191, 12287, 32767, 49151, 131071, 196607, 524287, 786431, 2097151, 3145727, 8388607, 12582911, 33554431, 50331647, 134217727, 201326591, 536870911, 805306367, 2147483647, 3221225471, 8589934591]