a(n+3) = 3*a(n+2) + 5*a(n+1) + a(n), a(0) = 1, a(1) = 2, a(2) = 11.
A110679
a(n+3) = 3*a(n+2) + 5*a(n+1) + a(n), a(0) = 1, a(1) = 2, a(2) = 11.
Terms
- a(0) =1a(1) =2a(2) =11a(3) =44a(4) =189a(5) =798a(6) =3383a(7) =14328a(8) =60697a(9) =257114a(10) =1089155a(11) =4613732a(12) =19544085a(13) =82790070a(14) =350704367a(15) =1485607536a(16) =6293134513a(17) =26658145586a(18) =112925716859a(19) =478361013020
External references
- oeis: A110679