Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 841", based on the 5-celled von Neumann neighborhood.
A273684
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 841", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =37a(3) =177a(4) =753a(5) =3177a(6) =13225a(7) =53953a(8) =218945a(9) =881793a(10) =3528865a(11) =14126809a(12) =56541257a(13) =226275089a(14) =905250641a(15) =3621244833
External references
- oeis: A273684