A025118 a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)s(n-k+1), where k = [ n/2 ], s = A000201 (lower Wythoff sequence).

3, 4, 18, 26, 57, 70, 129, 148, 244, 281, 413, 462, 649, 722, 960, 1048, 1356, 1462, 1848, 1990, 2447, 2609, 3163, 3346, 4006, 4237, 4987, 5246, 6117, 6429, 7407, 7748, 8866, 9242, 10505, 10947, 12335, 12814, 14368, 14916, 16611, 17201, 19074, 19709, 21769, 22488

Offset

1,1

Links

Table of n, a(n) for n=1..46.

Crossrefs

Sequence in context: A039563 A032829 A039585 * A025094 A025113 A290956

Adjacent sequences: A025115 A025116 A025117 * A025119 A025120 A025121

Keyword

nonn

Author

Clark Kimberling

Status

approved