A024371 Sum_{ k=1 ... floor(n/2) } A023532(k)*Fib(n-k).
0, 1, 2, 3, 5, 11, 18, 34, 55, 89, 144, 246, 398, 665, 1076, 1775, 2872, 4647, 7519, 12255, 19829, 32228, 52146, 84607, 136897, 221881, 359011, 580892, 939903, 1521782, 2462295, 3985674, 6448956, 10437214, 16887767, 27329162, 44219513
Offset: 1
Keywords
Examples
a(5) = 1*Fib(5) + 1*Fib(3) = 8 + 3 = 11.
Formula
Also equals Sum_{ k = 1 ... floor((n+1)/2) } A023532(k)*Fib(n-k+1)
Extensions
Edited by Joshua Zucker, May 14 2007