Number of nX3 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX3 array.
A219455
Number of nX3 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX3 array.
Terms
- a(0) =10a(1) =13a(2) =114a(3) =498a(4) =2266a(5) =9146a(6) =34529a(7) =123778a(8) =426832a(9) =1420589a(10) =4571166a(11) =14240419a(12) =43032598a(13) =126404575a(14) =361626231a(15) =1009254323a(16) =2751621249a(17) =7337716297a(18) =19160926188a(19) =49048774496a(20) =123209253195a(21) =304005916411a(22) =737455279792
External references
- oeis: A219455