First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 209", based on the 5-celled von Neumann neighborhood.
A270894
First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 209", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =3a(1) =5a(2) =19a(3) =-3a(4) =55a(5) =-27a(6) =83a(7) =-43a(8) =139a(9) =-91a(10) =211a(11) =-163a(12) =299a(13) =-219a(14) =331a(15) =-243a(16) =435a(17) =-363a(18) =659a(19) =-667a(20) =1003a(21) =-983a(22) =1163a(23) =-947a(24) =1083a(25) =-891a(26) =1227a(27) =-1143a(28) =1495a(29) =-1383
External references
- oeis: A270894