A032940 Numbers n such that base 5 representation Sum{d(i)*5^i: i=0,1,...,m} has d(i)=0 for all odd i.

1, 2, 3, 4, 5, 10, 15, 20, 25, 26, 27, 28, 29, 50, 51, 52, 53, 54, 75, 76, 77, 78, 79, 100, 101, 102, 103, 104, 125, 130, 135, 140, 145, 250, 255, 260, 265, 270, 375, 380, 385, 390, 395, 500, 505, 510, 515, 520, 625, 626, 627, 628, 629