Number of (n+1)X8 0..1 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards.
A204038
Number of (n+1)X8 0..1 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards.
Terms
- a(0) =3249a(1) =33223a(2) =330509a(3) =2198077a(4) =15164049a(5) =76619720a(6) =397550036a(7) =1650280817a(8) =6940548943a(9) =24803795897a(10) =89015368856a(11) =282588248006a(12) =896447738887
External references
- oeis: A204038