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A284247
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Binary representation of generation n in the reversible cellular automaton RCA(1) when started with a single ON cell at generation 0.
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1
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1, 1, 101, 1, 10101, 10001, 1000101, 1, 100010101, 100010001, 10101000101, 100000001, 1010000010101, 1000000010001, 100000001000101, 1, 10000000100010101, 10000000100010001, 1010000010101000101, 10000000100000001, 101010001010000010101, 100010001000000010001
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OFFSET
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0,3
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COMMENTS
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This sequence is the binary representation of A101625.
The count of ON cells at each generation is A002487.
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LINKS
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EXAMPLE
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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.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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