Number of 5Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 1 vertically.
A207685
Number of 5Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 1 vertically.
Terms
- a(0) =13a(1) =169a(2) =360a(3) =1030a(4) =2310a(5) =5704a(6) =14090a(7) =34245a(8) =81936a(9) =201951a(10) =490844a(11) =1183972a(12) =2888722a(13) =7041194a(14) =17067104a(15) =41434930a(16) =100989744a(17) =245384870a(18) =595577764a(19) =1448769445a(20) =3524256548a(21) =8560594095a(22) =20802381058a(23) =50596076707a(24) =122988659982
External references
- oeis: A207685