A256663 Nonnegative part of the minimal alternating Fibonacci representation of n.
0, 1, 2, 3, 5, 5, 8, 8, 8, 14, 13, 13, 13, 13, 22, 23, 21, 22, 21, 21, 21, 21, 35, 36, 37, 39, 34, 35, 36, 34, 35, 34, 34, 34, 34, 56, 57, 58, 60, 60, 63, 63, 55, 56, 57, 58, 60, 55, 56, 57, 55, 56, 55, 55, 55, 55, 90, 91, 92, 94, 94, 97, 97, 97, 103, 102
Offset: 0
Examples
R(9) = 13 - 5 + 1, so that a(9) = 13 + 1 = 14.
Links
- Clark Kimberling, Table of n, a(n) for n = 0..1000
Programs
-
Mathematica
b[n_] = Fibonacci[n]; bb = Table[b[n], {n, 1, 70}]; h[0] = {1}; h[n_] := Join[h[n - 1], Table[b[n + 2], {k, 1, b[n]}]]; g = h[23]; r[0] = {0}; r[n_] := If[MemberQ[bb, n], {n}, Join[{g[[n]]}, -r[g[[n]] - n]]]; Table[Total[Abs[r[n]]], {n, 0, 100}] (* A256662 *) Table[Total[(Abs[r[n]] + r[n])/2], {n, 0, 100}] (* A256663 *) Table[Total[(Abs[r[n]] - r[n])/2], {n, 0, 100}] (* A256664 *)
Comments