Number of (n+2)X4 binary arrays avoiding patterns 001 and 111 in rows and columns.
A202372
Number of (n+2)X4 binary arrays avoiding patterns 001 and 111 in rows and columns.
Terms
- a(0) =257a(1) =824a(2) =2293a(3) =5677a(4) =13751a(5) =31240a(6) =68965a(7) =148281a(8) =310793a(9) =640839a(10) =1299608a(11) =2601118a(12) =5148674a(13) =10088995a(14) =19604270a(15) =37808312a(16) =72431966a(17) =137955751a(18) =261370700a(19) =492867363a(20) =925469673a(21) =1731093570a(22) =3226750237a(23) =5995509954a(24) =11107634611
External references
- oeis: A202372