Number of nX4 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 nX4 array.
A219623
Number of nX4 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 nX4 array.
Terms
- a(0) =10a(1) =54a(2) =582a(3) =5072a(4) =37787a(5) =248473a(6) =1468544a(7) =7970617a(8) =40301719a(9) =191514623a(10) =860805160a(11) =3678654305a(12) =15012582592a(13) =58726794268a(14) =220928309421a(15) =801577867128
External references
- oeis: A219623