Number of n X 4 1..2 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.
A166805
Number of n X 4 1..2 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) =3a(1) =13a(2) =33a(3) =68a(4) =124a(5) =208a(6) =328a(7) =493a(8) =713a(9) =999a(10) =1363a(11) =1818a(12) =2378a(13) =3058a(14) =3874a(15) =4843a(16) =5983a(17) =7313a(18) =8853a(19) =10624a(20) =12648a(21) =14948a(22) =17548a(23) =20473a(24) =23749a(25) =27403a(26) =31463a(27) =35958a(28) =40918a(29) =46374
External references
- oeis: A166805