A024887 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023531, t = A000201 (lower Wythoff sequence).

0, 0, 4, 6, 8, 9, 11, 12, 23, 27, 29, 33, 37, 39, 43, 46, 65, 70, 74, 80, 84, 89, 94, 98, 104, 109, 137, 143, 150, 157, 163, 169, 176, 183, 189, 195, 202, 209, 248, 256, 265, 272, 281, 289, 296, 306, 313, 321, 329, 337, 346, 354, 406, 416, 425, 436, 445, 454, 466, 474, 484, 493