Number of nX3 1..2 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order.
A166781
Number of nX3 1..2 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order.
Terms
- a(0) =4a(1) =17a(2) =44a(3) =91a(4) =164a(5) =269a(6) =412a(7) =599a(8) =836a(9) =1129a(10) =1484a(11) =1907a(12) =2404a(13) =2981a(14) =3644a(15) =4399a(16) =5252a(17) =6209a(18) =7276a(19) =8459a(20) =9764a(21) =11197a(22) =12764a(23) =14471a(24) =16324a(25) =18329a(26) =20492a(27) =22819a(28) =25316a(29) =27989
External references
- oeis: A166781