A031476 Numbers whose base-5 representation has 3 fewer 0's than 4's.
124, 249, 374, 499, 549, 574, 599, 609, 614, 619, 621, 622, 623, 874, 999, 1124, 1174, 1199, 1224, 1234, 1239, 1244, 1246, 1247, 1248, 1499, 1624, 1749, 1799, 1824, 1849, 1859, 1864, 1869, 1871, 1872, 1873, 2124, 2249
Offset: 1
Crossrefs
Cf. A007091.