# A083764 (b-file synthesized from sequence entry) 1 1 2 2 3 22 4 3 5 33 6 303 7 4 8 44 9 404 10 424 11 5 12 55 13 505 14 515 15 525 16 6 17 66 18 606 19 636 20 666 21 696 22 7 23 77 24 707 25 777 26 7007 27 7777 28 70007 29 8 30 88 31 808 32 848 33 888 34 8008 35 8448 36 8888 37 9 38 99 39 909 40 999 41 9009 42 9999 43 90009 44 90909 45 91719