A079073 Sum of numbers < n having in binary representation the same number of 1's as n.

0, 1, 0, 3, 3, 8, 0, 7, 14, 23, 7, 33, 18, 31, 0, 15, 45, 62, 45, 80, 64, 85, 15, 100, 107, 132, 38, 158, 65, 94, 0, 31, 124, 157, 186, 191, 221, 258, 124, 227, 296, 337, 163, 379, 206, 251, 31, 267, 423, 472, 297, 522, 348, 401, 78, 574, 455, 512, 133, 570, 192, 253, 0, 63