a(0)=20, a(1)=9; for n >= 0, a(n+2) = 7*a(n+1) + 9*a(n).
A136010
a(0)=20, a(1)=9; for n >= 0, a(n+2) = 7*a(n+1) + 9*a(n).
Terms
- a(0) =20a(1) =9a(2) =243a(3) =1782a(4) =14661a(5) =118665a(6) =962604a(7) =7806213a(8) =63306927a(9) =513404406a(10) =4163593185a(11) =33765791949a(12) =273832882308
External references
- oeis: A136010