First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 121", based on the 5-celled von Neumann neighborhood.
A270209
First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 121", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =3a(1) =5a(2) =23a(3) =-15a(4) =83a(5) =-60a(6) =124a(7) =-123a(8) =259a(9) =-211a(10) =351a(11) =-364a(12) =560a(13) =-503a(14) =667a(15) =-627a(16) =915a(17) =-895a(18) =1095a(19) =-1023a(20) =1335a(21) =-1252a(22) =1532a(23) =-1507a(24) =1951a(25) =-1980a(26) =2305a(27) =-2085a(28) =2421a(29) =-2421
External references
- oeis: A270209