First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 491", based on the 5-celled von Neumann neighborhood.
A272542
First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 491", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =4a(1) =8a(2) =19a(3) =9a(4) =35a(5) =1a(6) =87a(7) =-27a(8) =103a(9) =-67a(10) =255a(11) =-179a(12) =271a(13) =-203a(14) =483a(15) =-395a(16) =487a(17) =-367a(18) =723a(19) =-659a(20) =819a(21) =-675a(22) =1091a(23) =-987a(24) =1175a(25) =-987a(26) =1459a(27) =-1343a(28) =1559a(29) =-1371
External references
- oeis: A272542