a(n) = 8*a(n-1) - 8*a(n-2) + a(n-3), with a(1) = 1, a(2) = 8, a(3) = 56.
A092521
a(n) = 8*a(n-1) - 8*a(n-2) + a(n-3), with a(1) = 1, a(2) = 8, a(3) = 56.
Terms
- a(0) =1a(1) =8a(2) =56a(3) =385a(4) =2640a(5) =18096a(6) =124033a(7) =850136a(8) =5826920a(9) =39938305a(10) =273741216a(11) =1876250208a(12) =12860010241a(13) =88143821480a(14) =604146740120
External references
- oeis: A092521