A025121 - OEIS

%I #3 Mar 30 2012 18:56:01

%S 1,1,3,1,4,8,14,14,21,19,27,25,34,33,43,42,54,68,83,81,97,95,112,111,

%T 130,129,149,147,170,168,191,190,215,213,238,235,262,290,321,319,351,

%U 349,382,381,416,414,451,449,488,486,526,525,566,565,607,603,647,643,687,685,731

%N a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A000201 (lower Wythoff sequence), t = A014306.

%K nonn

%O 1,3

%A _Clark Kimberling_