Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 318", based on the 5-celled von Neumann neighborhood.
A271251
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 318", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =21a(3) =73a(4) =296a(5) =1092a(6) =4557a(7) =17785a(8) =73012a(9) =297477a(10) =1193924a(11) =4773528a(12) =19166729a(13) =76673332a(14) =306529896a(15) =1227042656
External references
- oeis: A271251