Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 813", based on the 5-celled von Neumann neighborhood.
A273640
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 813", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =9a(2) =30a(3) =74a(4) =143a(5) =260a(6) =413a(7) =618a(8) =859a(9) =1203a(10) =1620a(11) =2113a(12) =2658a(13) =3375a(14) =4168a(15) =5069a(16) =6014a(17) =7199a(18) =8512a(19) =9925a(20) =11406a(21) =13199a(22) =15152a(23) =17221a(24) =19422a(25) =21867a(26) =24500a(27) =27293a(28) =30174a(29) =33515
External references
- oeis: A273640