A024599 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (odd natural numbers), t = A000201 (lower Wythoff sequence).

1, 3, 13, 18, 46, 63, 120, 146, 240, 276, 417, 477, 676, 753, 1019, 1130, 1473, 1606, 2036, 2192, 2717, 2919, 3550, 3781, 4527, 4788, 5659, 5980, 6986, 7342, 8492, 8918, 10223, 10691, 12161, 12672, 14315, 14908, 16735, 17377, 19397, 20131, 22354, 23142, 25578