a(n) = ( (5 + sqrt(6))^n - (5 - sqrt(6))^n )/(2*sqrt(6)).
A154236
a(n) = ( (5 + sqrt(6))^n - (5 - sqrt(6))^n )/(2*sqrt(6)).
Terms
- a(0) =1a(1) =10a(2) =81a(3) =620a(4) =4661a(5) =34830a(6) =259741a(7) =1935640a(8) =14421321a(9) =107436050a(10) =800355401a(11) =5962269060a(12) =44415937981a(13) =330876267670
External references
- oeis: A154236