A043605 Numbers n such that base 5 representation has exactly 5 runs.

651, 652, 653, 654, 660, 661, 663, 664, 665, 666, 667, 669, 670, 671, 672, 673, 676, 677, 678, 679, 680, 682, 683, 684, 690, 691, 692, 694, 695, 696, 697, 698, 701, 702, 703, 704, 705, 707, 708, 709, 710, 711, 713, 714, 720