Number of nX3 1..4 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 nondecreasing order.
A166802
Number of nX3 1..4 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 nondecreasing order.
Terms
- a(0) =0a(1) =67a(2) =720a(3) =3909a(4) =15112a(5) =47308a(6) =127874a(7) =309807a(8) =689082a(9) =1430425a(10) =2804306a(11) =5238541
External references
- oeis: A166802