Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 131", based on the 5-celled von Neumann neighborhood.
A270221
Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 131", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =5a(3) =33a(4) =13a(5) =93a(6) =25a(7) =161a(8) =53a(9) =285a(10) =65a(11) =417a(12) =93a(13) =581a(14) =129a(15) =705a(16) =229a(17) =957a(18) =241a(19) =1217a(20) =269a(21) =1509a(22) =305a(23) =1761a(24) =397a(25) =2117a(26) =433a(27) =2433a(28) =517a(29) =2781
External references
- oeis: A270221