a(n) = 6*a(n-1) + 30*a(n-2), n>2; a(0)=1, a(1)=1, a(2)=11.
A154997
a(n) = 6*a(n-1) + 30*a(n-2), n>2; a(0)=1, a(1)=1, a(2)=11.
Terms
- a(0) =1a(1) =1a(2) =11a(3) =96a(4) =906a(5) =8316a(6) =77076a(7) =711936a(8) =6583896a(9) =60861456a(10) =562685616a(11) =5201957376a(12) =48092312736a(13) =444612597696
External references
- oeis: A154997