A024689 a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)s(n+1-k), where k = [ (n+1)/2 ], s = A001950 (upper Wythoff sequence).

4, 10, 39, 55, 125, 165, 302, 365, 591, 682, 1006, 1144, 1602, 1782, 2374, 2620, 3386, 3685, 4650, 5005, 6162, 6607, 8003, 8519, 10176, 10768, 12676, 13382, 15596, 16388, 18888, 19815, 22660, 23689, 26907, 28038, 31601, 32889, 36865, 38272, 42626, 44210

Offset

1,1

Links

Table of n, a(n) for n=1..42.

Crossrefs

Sequence in context: A149200 A149201 A065524 * A320806 A149202 A151447

Adjacent sequences: A024686 A024687 A024688 * A024690 A024691 A024692

Keyword

nonn

Author

Clark Kimberling

Status

approved