A bisection of the row sums of the inverse of the triangle A(n,k) = 1/F(n+1) if k <= n <= 2k, 0 otherwise.

A127713

A bisection of the row sums of the inverse of the triangle A(n,k) = 1/F(n+1) if k <= n <= 2k, 0 otherwise.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =10a(4) =23a(5) =59a(6) =149a(7) =387a(8) =1000a(9) =2607a(10) =6799a(11) =17770a(12) =46457a(13) =121542a(14) =318044a(15) =832427a(16) =2178919a(17) =5703887a(18) =14931949a(19) =39090776a(20) =102338336a(21) =267921095a(22) =701419679a(23) =1836329673a(24) =4807555633a(25) =12586315482

External references