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A284247
Binary representation of generation n in the reversible cellular automaton RCA(1) when started with a single ON cell at generation 0.
1
1, 1, 101, 1, 10101, 10001, 1000101, 1, 100010101, 100010001, 10101000101, 100000001, 1010000010101, 1000000010001, 100000001000101, 1, 10000000100010101, 10000000100010001, 1010000010101000101, 10000000100000001, 101010001010000010101, 100010001000000010001
OFFSET
0,3
COMMENTS
This sequence is the binary representation of A101625.
The count of ON cells at each generation is A002487.
EXAMPLE
The fourth generation (starting at 0) of RCA(1) is x.x.x where "x" is an ON cell and "." is OFF. Treating this as a binary number yields 10101. Thus a(4) = 10101.
CROSSREFS
Sequence in context: A281103 A164866 A164855 * A256826 A036193 A126834
KEYWORD
nonn
AUTHOR
Robert Price, Mar 23 2017
STATUS
approved