a(n) = 6*a(n-1) - a(n-2) + 2 with a(0) = 0, a(1) = 3.
A001652
a(n) = 6*a(n-1) - a(n-2) + 2 with a(0) = 0, a(1) = 3.
Terms
- a(0) =0a(1) =3a(2) =20a(3) =119a(4) =696a(5) =4059a(6) =23660a(7) =137903a(8) =803760a(9) =4684659a(10) =27304196a(11) =159140519a(12) =927538920a(13) =5406093003a(14) =31509019100a(15) =183648021599
External references
- oeis: A001652