Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 619", based on the 5-celled von Neumann neighborhood.
A273251
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 619", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =37a(3) =181a(4) =789a(5) =3285a(6) =13397a(7) =54101a(8) =217429a(9) =871765a(10) =3491157a(11) =13972821a(12) =55907669a(13) =223663445a(14) =894719317a(15) =3579008341
External references
- oeis: A273251