a(n) = 7*a(n-1) - 7*a(n-2) + a(n-3) for n > 2; a(0) = 7, a(1) = 88, a(2) = 555.
A155465
a(n) = 7*a(n-1) - 7*a(n-2) + a(n-3) for n > 2; a(0) = 7, a(1) = 88, a(2) = 555.
Terms
- a(0) =7a(1) =88a(2) =555a(3) =3276a(4) =19135a(5) =111568a(6) =650307a(7) =3790308a(8) =22091575a(9) =128759176a(10) =750463515a(11) =4374021948a(12) =25493668207a(13) =148587987328a(14) =866034255795
External references
- oeis: A155465