A129230 a(n)=Floor(n*r)+Floor((n-2)*r)+Floor((n-4)*r)+...+Floor(k*r), where r = golden mean = (1 + sqrt(5))/2 and k=0 if n is even, k=1 if n is odd.

0, 1, 3, 5, 9, 13, 18, 24, 30, 38, 46, 55, 65, 76, 87, 100, 112, 127, 141, 157, 173, 190, 208, 227, 246, 267, 288, 310, 333, 356, 381, 406, 432, 459, 487, 515, 545, 574, 606, 637, 670, 703, 737, 772, 808, 844, 882, 920, 959, 999, 1039, 1081, 1123, 1166, 1210