Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 20", based on the 5-celled von Neumann neighborhood.
A273972
Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 20", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =34a(6) =68a(7) =128a(8) =256a(9) =544a(10) =1088a(11) =2056a(12) =4112a(13) =8738a(14) =17476a(15) =32768a(16) =65536a(17) =139264a(18) =278528a(19) =526336a(20) =1052672a(21) =2236928a(22) =4473856a(23) =8388736a(24) =16777472a(25) =35652128a(26) =71304256a(27) =134744072a(28) =269488144a(29) =572662306
External references
- oeis: A273972