Number of n X 5 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 6 binary array having two adjacent 1's and two adjacent 0's, with rows and columns of the latter in lexicographically nondecreasing order.
A227332
Number of n X 5 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 6 binary array having two adjacent 1's and two adjacent 0's, with rows and columns of the latter in lexicographically nondecreasing order.
Terms
- a(0) =26a(1) =285a(2) =3013a(3) =33297a(4) =366606a(5) =3774137a(6) =35026386a(7) =290742258a(8) =2174611745a(9) =14827903973a(10) =93194118189a(11) =544831575434
External references
- oeis: A227332