Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 305", based on the 5-celled von Neumann neighborhood.
A271161
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 305", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =32a(3) =200a(4) =860a(5) =3448a(6) =14048a(7) =57108a(8) =227420a(9) =904432a(10) =3618540a(11) =14438616a(12) =57738456a(13) =230833880a(14) =923143832a(15) =3692116492
External references
- oeis: A271161