A024685 - OEIS

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A024685

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

1, 3, 13, 18, 42, 57, 106, 129, 212, 244, 362, 413, 583, 649, 866, 960, 1244, 1356, 1718, 1848, 2279, 2447, 2970, 3163, 3787, 4006, 4721, 4987, 5822, 6117, 7054, 7407, 8477, 8866, 10083, 10505, 11847, 12335, 13838, 14368, 16005, 16611, 18426, 19074, 21078

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..45.

CROSSREFS

Sequence in context: A263182 A045525 A030774 * A024474 A024599 A071600

Adjacent sequences: A024682 A024683 A024684 * A024686 A024687 A024688

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved