Number of 7Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.
A208146
Number of 7Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.
Terms
- a(0) =14a(1) =196a(2) =1176a(3) =7056a(4) =28224a(5) =112896a(6) =352800a(7) =1102500a(8) =2910600a(9) =7683984a(10) =17929296a(11) =41835024a(12) =88792704a(13) =188457984a(14) =371026656a(15) =730458729a(16) =1352701350a(17) =2505002500a(18) =4408804400a(19) =7759495744a(20) =13082125056a(21) =22055814144a(22) =35840697984a(23) =58241134224
External references
- oeis: A208146