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

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

Index to Elementary Cellular Automata

Crossrefs

Cf. A070952, A265695.

Sequence in context: A284614 A349392 A069734 * A070952 A137462 A163926

Adjacent sequences: A265700 A265701 A265702 * A265704 A265705 A265706

Keyword

nonn,easy

Author

Robert Price, Dec 13 2015

Status

approved