Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 581", based on the 5-celled von Neumann neighborhood.
A273070
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 581", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =8a(2) =41a(3) =189a(4) =805a(5) =3000a(6) =11484a(7) =45736a(8) =181841a(9) =715333a(10) =2818337a(11) =11125965a(12) =44110241a(13) =175573869a(14) =700425137a(15) =2797189233
External references
- oeis: A273070