Number of nX3 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX3 array.
A219368
Number of nX3 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX3 array.
Terms
- a(0) =10a(1) =60a(2) =618a(3) =4544a(4) =28365a(5) =158473a(6) =811802a(7) =3839485a(8) =16870880a(9) =69358382a(10) =268604388a(11) =985807950a(12) =3446787865a(13) =11533987238a(14) =37089093539a(15) =115015828102a(16) =345034056109
External references
- oeis: A219368