Number of nX5 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 1 1 vertically.
A208498
Number of nX5 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 1 1 vertically.
Terms
- a(0) =16a(1) =256a(2) =324a(3) =828a(4) =1794a(5) =4104a(6) =9912a(7) =21976a(8) =52560a(9) =121264a(10) =279930a(11) =662256a(12) =1518514a(13) =3571988a(14) =8299060a(15) =19262480a(16) =45164520a(17) =104532130a(18) =244409310a(19) =568980936a(20) =1322673264a(21) =3089796934a(22) =7178968320a(23) =16741713920a(24) =38997040062a(25) =90747250860
External references
- oeis: A208498