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.

1, 2, 4, 10, 23, 59, 149, 387, 1000, 2607, 6799, 17770, 46457, 121542, 318044, 832427, 2178919, 5703887, 14931949, 39090776, 102338336, 267921095, 701419679, 1836329673, 4807555633, 12586315482

Offset

0,2

Links

Table of n, a(n) for n=0..25.

Formula

a(n) = A127712(2n+1). Note that A127712(2n) = F(2n-1).

Crossrefs

Cf. A127712.

Sequence in context: A127389 A152173 A032171 * A354076 A151256 A205999

Adjacent sequences: A127710 A127711 A127712 * A127714 A127715 A127716

Keyword

nonn

Author

Paul Barry, Jan 24 2007

Status

approved