a(n) = 6*a(n-1) + 6*a(n-2), n>2, a(0)=1, a(1)=5, a(2)=35.
A155127
a(n) = 6*a(n-1) + 6*a(n-2), n>2, a(0)=1, a(1)=5, a(2)=35.
Terms
- a(0) =1a(1) =5a(2) =35a(3) =240a(4) =1650a(5) =11340a(6) =77940a(7) =535680a(8) =3681720a(9) =25304400a(10) =173916720a(11) =1195326720a(12) =8215460640a(13) =56464724160a(14) =388081108800
External references
- oeis: A155127