Number of 7Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.
A207756
Number of 7Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.
Terms
- a(0) =35a(1) =1225a(2) =7210a(3) =42436a(4) =147084a(5) =509796a(6) =1341606a(7) =3530641a(8) =7826035a(9) =17347225a(10) =34169660a(11) =67305616a(12) =121583280a(13) =219632400a(14) =371285460a(15) =627652809a(16) =1006704699a(17) =1614673489a(18) =2481460982a(19) =3813556516a(20) =5656542892a(21) =8390193604a(22) =12078020682
External references
- oeis: A207756