a(n) = 15*a(n-1) - 15*a(n-2) + a(n-3) with a(0)=1, a(1)=3, and a(2)=33.
A011922
a(n) = 15*a(n-1) - 15*a(n-2) + a(n-3) with a(0)=1, a(1)=3, and a(2)=33.
Terms
- a(0) =1a(1) =3a(2) =33a(3) =451a(4) =6273a(5) =87363a(6) =1216801a(7) =16947843a(8) =236052993a(9) =3287794051a(10) =45793063713a(11) =637815097923
External references
- oeis: A011922