A060317 a(n) = n * next number greater than n with same first digit as n.

10, 40, 90, 160, 250, 360, 490, 640, 810, 110, 132, 156, 182, 210, 240, 272, 306, 342, 1900, 420, 462, 506, 552, 600, 650, 702, 756, 812, 5800, 930, 992, 1056, 1122, 1190, 1260, 1332, 1406, 1482, 11700, 1640, 1722, 1806, 1892, 1980, 2070, 2162, 2256