Number of nX5 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.
A302147
Number of nX5 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =3a(2) =11a(3) =56a(4) =289a(5) =1529a(6) =8152a(7) =43676a(8) =234707a(9) =1264018a(10) =6818793a(11) =36833925a(12) =199192142a(13) =1078202540a(14) =5840738361a(15) =31660718262a(16) =171717441011a(17) =931774434881
External references
- oeis: A302147