a(n) = 6*a(n-1)-8*a(n-2)-3 for n > 2; a(0) = 89, a(1) = 519, a(2) = 2063.
A176634
a(n) = 6*a(n-1)-8*a(n-2)-3 for n > 2; a(0) = 89, a(1) = 519, a(2) = 2063.
Terms
- a(0) =89a(1) =519a(2) =2063a(3) =8223a(4) =32831a(5) =131199a(6) =524543a(7) =2097663a(8) =8389631a(9) =33556479a(10) =134221823a(11) =536879103a(12) =2147500031a(13) =8589967359a(14) =34359803903a(15) =137439084543a(16) =549756076031
External references
- oeis: A176634