First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 4", based on the 5-celled von Neumann neighborhood.
A269880
First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 4", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =3a(1) =0a(2) =12a(3) =-12a(4) =12a(5) =0a(6) =48a(7) =-60a(8) =12a(9) =0a(10) =48a(11) =-48a(12) =48a(13) =0a(14) =192a(15) =-252a(16) =12a(17) =0a(18) =48a(19) =-48a(20) =48a(21) =0a(22) =192a(23) =-240a(24) =48a(25) =0a(26) =192a(27) =-192a(28) =192a(29) =0
External references
- oeis: A269880