a(n) = 12*a(n-1) - 6*a(n-2), with a(0)=1, a(1)=6.

A165229

a(n) = 12*a(n-1) - 6*a(n-2), with a(0)=1, a(1)=6.

Terms

    a(0) =1a(1) =6a(2) =66a(3) =756a(4) =8676a(5) =99576a(6) =1142856a(7) =13116816a(8) =150544656a(9) =1727834976a(10) =19830751776a(11) =227602011456

External references