First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 181", based on the 5-celled von Neumann neighborhood.
A270629
First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 181", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =7a(1) =-4a(2) =40a(3) =-35a(4) =99a(5) =-87a(6) =183a(7) =-172a(8) =301a(9) =-297a(10) =477a(11) =-477a(12) =649a(13) =-617a(14) =813a(15) =-761a(16) =1025a(17) =-1077a(18) =1409a(19) =-1377a(20) =1657a(21) =-1581a(22) =1913a(23) =-1901a(24) =2265a(25) =-2249a(26) =2733a(27) =-2745a(28) =3065a(29) =-2953
External references
- oeis: A270629