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A266894 Decimal representation of the n-th iteration of the "Rule 75" elementary cellular automaton starting with a single ON (black) cell. 1
1, 4, 11, 102, 93, 1832, 647, 30842, 6033, 510284, 42043, 8262614, 380045, 133347960, 2642327, 2139557706, 24834593, 34302142876, 172787563, 549239552710, 1557238205, 8792528867144, 10828788263, 140705018800538, 101703894897, 2251563959401132, 707629994011 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

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

LINKS

Robert Price, Table of n, a(n) for n = 0..1000

Eric Weisstein's World of Mathematics, Elementary Cellular Automaton

S. Wolfram, A New Kind of Science

Index entries for sequences related to cellular automata

Index to Elementary Cellular Automata

MATHEMATICA

rule=75; rows=20; ca=CellularAutomaton[rule, {{1}, 0}, rows-1, {All, All}]; (* Start with single black cell *) catri=Table[Take[ca[[k]], {rows-k+1, rows+k-1}], {k, 1, rows}]; (* Truncated list of each row *) Table[FromDigits[catri[[k]], 2], {k, 1, rows}]   (* Decimal Representation of Rows *)

CROSSREFS

Cf. A266892.

Sequence in context: A181267 A280036 A125888 * A296617 A144744 A267154

Adjacent sequences:  A266891 A266892 A266893 * A266895 A266896 A266897

KEYWORD

nonn,easy

AUTHOR

Robert Price, Jan 05 2016

STATUS

approved

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Last modified August 8 23:02 EDT 2020. Contains 336300 sequences. (Running on oeis4.)