First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 5", based on the 5-celled von Neumann neighborhood.
A270009
First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 5", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =7a(1) =-8a(2) =49a(3) =-49a(4) =121a(5) =-121a(6) =225a(7) =-225a(8) =361a(9) =-361a(10) =529a(11) =-529a(12) =729a(13) =-729a(14) =961a(15) =-961a(16) =1225a(17) =-1225a(18) =1521a(19) =-1521a(20) =1849a(21) =-1849a(22) =2209a(23) =-2209a(24) =2601a(25) =-2601a(26) =3025a(27) =-3025a(28) =3481a(29) =-3481
External references
- oeis: A270009