A025124 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A001950 (upper Wythoff sequence), t = A014306.

2, 2, 5, 2, 7, 14, 24, 24, 35, 32, 45, 42, 57, 55, 72, 70, 90, 113, 137, 134, 160, 157, 185, 183, 214, 212, 245, 242, 279, 276, 314, 312, 353, 349, 390, 385, 429, 475, 525, 522, 574, 571, 625, 623, 680, 677, 737, 734, 797, 794, 859, 857, 924, 922, 990, 984, 1055, 1049, 1121

Offset

1,1

Links

Table of n, a(n) for n=1..59.

Crossrefs

Sequence in context: A029603 A204202 A336924 * A030996 A368580 A309208

Adjacent sequences: A025121 A025122 A025123 * A025125 A025126 A025127

Keyword

nonn

Author

Clark Kimberling

Status

approved