Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 421", based on the 5-celled von Neumann neighborhood.
A272051
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 421", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =9a(2) =14a(3) =54a(4) =71a(5) =179a(6) =208a(7) =388a(8) =453a(9) =777a(10) =838a(11) =1298a(12) =1411a(13) =2087a(14) =2188a(15) =2976a(16) =3201a(17) =4293a(18) =4478a(19) =5862a(20) =6111a(21) =7767a(22) =8004a(23) =9868a(24) =10245a(25) =12533a(26) =12850a(27) =15510a(28) =15979a(29) =19043
External references
- oeis: A272051