Number of (n+1)X(6+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)-x(i-1,j) in the j direction.

A250525

Number of (n+1)X(6+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)-x(i-1,j) in the j direction.

Terms

    a(0) =35064a(1) =214812a(2) =896191a(3) =3088923a(4) =9580060a(5) =27910024a(6) =78204775a(7) =213775147a(8) =575554760a(9) =1537251580a(10) =4096973351a(11) =10948193747a(12) =29449843532a(13) =79976028008a(14) =219684249567a(15) =610918710611

External references