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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 6 |
| 5 | 10 |
| 6 | 13 |
| 7 | 19 |
| 8 | 30 |
| 9 | 31 |
| 10 | 60 |
| 11 | 63 |
| 12 | 100 |
| 13 | 103 |
| 14 | 130 |
| 15 | 190 |
| 16 | 199 |
| 17 | 300 |
| 18 | 301 |
| 19 | 306 |
| 20 | 310 |
| 21 | 369 |
| 22 | 600 |
| 23 | 603 |
| 24 | 630 |
| 25 | 1000 |
| 26 | 1003 |
| 27 | 1030 |
| 28 | 1300 |
| 29 | 1900 |
| 30 | 1990 |
| 31 | 1999 |
| 32 | 3000 |
| 33 | 3001 |
| 34 | 3006 |
| 35 | 3010 |
| 36 | 3060 |
| 37 | 3100 |
| 38 | 3690 |
| 39 | 6000 |
| 40 | 6003 |
| 41 | 6030 |
| 42 | 6300 |
| 43 | 10000 |
| 44 | 10003 |
| 45 | 10030 |
| 46 | 10300 |
| 47 | 10301 |
| 48 | 13000 |
| 49 | 19000 |
| 50 | 19900 |
| 51 | 19990 |
| 52 | 19999 |
| 53 | 30000 |
| 54 | 30001 |
| 55 | 30006 |
| 56 | 30010 |
| 57 | 30060 |
| 58 | 30100 |
| 59 | 30103 |
| 60 | 30600 |
| 61 | 31000 |
| 62 | 31131 |
[0,1,3,6,10,13,19,30,31,60,63,100,103,130,190,199, 300,301,306,310,369,600,603,630,1000,1003,1030, 1300,1900,1990,1999,3000,3001,3006,3010,3060,3100, 3690,6000,6003,6030,6300,10000,10003,10030,10300, 10301,13000,19000,19900,19990,19999,30000,30001, 30006,30010,30060,30100,30103,30600,31000,31131] |