First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 489", based on the 5-celled von Neumann neighborhood.
A272513
First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 489", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =3a(1) =9a(2) =19a(3) =1a(4) =67a(5) =-35a(6) =95a(7) =-63a(8) =203a(9) =-155a(10) =231a(11) =-199a(12) =403a(13) =-323a(14) =455a(15) =-367a(16) =643a(17) =-555a(18) =679a(19) =-647a(20) =995a(21) =-859a(22) =1087a(23) =-943a(24) =1355a(25) =-1203a(26) =1415a(27) =-1415a(28) =1875a(29) =-1691
External references
- oeis: A272513