Number of nX5 1..3 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nonincreasing order.
A166837
Number of nX5 1..3 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nonincreasing order.
Terms
- a(0) =6a(1) =146a(2) =1093a(3) =5770a(4) =25317
External references
- oeis: A166837