A265703 - OEIS

A265703

Number of OFF (white) cells in the n-th iteration of the "Rule 135" elementary cellular automaton starting with a single ON (black) cell.

0, 1, 3, 3, 6, 4, 9, 5, 12, 7, 12, 11, 14, 12, 19, 13, 22, 15, 19, 20, 24, 21, 23, 23, 28, 26, 27, 26, 33, 30, 34, 31, 39, 26, 39, 29, 46, 32, 44, 38, 45, 47, 41, 45, 49, 38, 55, 42, 51, 44, 53, 43, 59, 52, 60, 49, 65, 57, 60, 56, 69, 61, 70, 59, 78, 64, 56

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OFFSET

0,3

COMMENTS

This appears to be (apart from the initial zero and an index shift) the same as A070952. - R. J. Mathar, Dec 16 2015

Presumably that will not be difficult to prove. - N. J. A. Sloane, Jan 09 2016

REFERENCES

S. Wolfram, A New Kind of Science, Wolfram Media, 2002; p. 55.

LINKS

Robert Price, Table of n, a(n) for n = 0..999

Eric Weisstein's World of Mathematics, Elementary Cellular Automaton

Index entries for sequences related to cellular automata