a(n) = 14*a(n-1) - a(n-2) + 6 for n>1, a(0)=0, a(1)=7.
A001921
a(n) = 14*a(n-1) - a(n-2) + 6 for n>1, a(0)=0, a(1)=7.
Terms
- a(0) =0a(1) =7a(2) =104a(3) =1455a(4) =20272a(5) =282359a(6) =3932760a(7) =54776287a(8) =762935264a(9) =10626317415a(10) =148005508552
External references
- oeis: A001921