Number of (n+1)X7 0..1 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards.
A204037
Number of (n+1)X7 0..1 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards.
Terms
- a(0) =1482a(1) =13040a(2) =111578a(3) =642272a(4) =3811097a(5) =16895850a(6) =76619720a(7) =282617310a(8) =1055589853a(9) =3391174364a(10) =10959843386a(11) =31616413858a(12) =91424070381a(13) =242081380402a(14) =641447591664
External references
- oeis: A204037