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 increasing order.
A166820
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 increasing order.
Terms
- a(0) =0a(1) =51a(2) =586a(3) =3372a(4) =13564a(5) =43626a(6) =120168a(7) =295100a(8) =662914a(9) =1386373a(10) =2733412a(11) =5128640
External references
- oeis: A166820