a(n) = floor(x*a(n-1)) for n > 0 where x = (9 + 3*sqrt(13))/2, a(0) = 1.

A370179

a(n) = floor(x*a(n-1)) for n > 0 where x = (9 + 3*sqrt(13))/2, a(0) = 1.

Terms

    a(0) =1a(1) =9a(2) =89a(3) =881a(4) =8729a(5) =86489a(6) =856961a(7) =8491049a(8) =84132089a(9) =833608241a(10) =8259662969a(11) =81839440889a(12) =810891934721

External references