First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 22", based on the 5-celled von Neumann neighborhood.
A269718
First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 22", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =4a(1) =3a(2) =12a(3) =-4a(4) =28a(5) =-12a(6) =56a(7) =-56a(8) =60a(9) =-28a(10) =120a(11) =-120a(12) =120a(13) =-56a(14) =240a(15) =-304a(16) =124a(17) =-60a(18) =248a(19) =-248a(20) =248a(21) =-120a(22) =496a(23) =-624a(24) =248a(25) =-120a(26) =496a(27) =-496a(28) =496a(29) =-240
External references
- oeis: A269718