Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 825", based on the 5-celled von Neumann neighborhood.
A273431
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 825", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =28a(3) =157a(4) =733a(5) =3081a(6) =12877a(7) =51821a(8) =206833a(9) =830405a(10) =3325905a(11) =13313637a(12) =53308989a(13) =213158361a(14) =852730457a(15) =3411030957
External references
- oeis: A273431