A025074 - OEIS

A025074

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023532, t = A001950 (upper Wythoff sequence).

5, 7, 10, 13, 25, 31, 48, 56, 64, 71, 98, 108, 138, 153, 188, 204, 220, 235, 280, 297, 347, 368, 422, 446, 505, 531, 558, 584, 651, 680, 753, 785, 863, 896, 980, 1017, 1105, 1144, 1184, 1224, 1319, 1362, 1463, 1507, 1615, 1661, 1774, 1824, 1941, 1993, 2115, 2170, 2226