Number of nX5 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 1 and 1 0 1 vertically.
A208685
Number of nX5 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 1 and 1 0 1 vertically.
Terms
- a(0) =16a(1) =256a(2) =768a(3) =2889a(4) =12096a(5) =41013a(6) =133207a(7) =444912a(8) =1448128a(9) =4616800a(10) =14733663a(11) =46884096a(12) =148366461a(13) =468807885a(14) =1480447408a(15) =4669224000a(16) =14715790096a(17) =46366826149a(18) =146050380000a(19) =459933577353
External references
- oeis: A208685