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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.

A290662 Decimal representation of the diagonal from the origin to the corner 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 3
2 5
3 15
4 23
5 63
6 95
7 255
8 383
9 1023
10 1535
11 4095
12 6143
13 16383
14 24575
15 65535
16 98303
17 262143
18 393215
19 1048575
20 1572863
21 4194303
22 6291455
23 16777215
24 25165823
25 67108863
26 100663295
27 268435455
28 402653183
29 1073741823
30 1610612735
31 4294967295
32 6442450943

List of values

[1, 3, 5, 15, 23, 63, 95, 255, 383, 1023, 1535, 4095, 6143, 16383, 24575, 65535, 98303, 262143, 393215, 1048575, 1572863, 4194303, 6291455, 16777215, 25165823, 67108863, 100663295, 268435455, 402653183, 1073741823, 1610612735, 4294967295, 6442450943]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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