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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 7 |
| 7 | 11 |
| 8 | 12 |
| 9 | 13 |
| 10 | 15 |
| 11 | 17 |
| 12 | 21 |
| 13 | 31 |
| 14 | 51 |
| 15 | 71 |
| 16 | 111 |
| 17 | 112 |
| 18 | 113 |
| 19 | 115 |
| 20 | 117 |
| 21 | 121 |
| 22 | 131 |
| 23 | 151 |
| 24 | 171 |
| 25 | 211 |
| 26 | 311 |
| 27 | 511 |
| 28 | 711 |
| 29 | 1111 |
| 30 | 1112 |
| 31 | 1113 |
| 32 | 1115 |
| 33 | 1117 |
| 34 | 1121 |
| 35 | 1131 |
| 36 | 1151 |
| 37 | 1171 |
| 38 | 1211 |
| 39 | 1311 |
| 40 | 1511 |
| 41 | 1711 |
| 42 | 2111 |
| 43 | 3111 |
| 44 | 5111 |
| 45 | 7111 |
| 46 | 11111 |
| 47 | 11112 |
| 48 | 11113 |
| 49 | 11115 |
| 50 | 11117 |
| 51 | 11121 |
| 52 | 11131 |
| 53 | 11151 |
| 54 | 11171 |
| 55 | 11211 |
[0,1,2,3,5,7,11,12,13,15,17,21,31,51,71,111,112, 113,115,117,121,131,151,171,211,311,511,711,1111, 1112,1113,1115,1117,1121,1131,1151,1171,1211,1311, 1511,1711,2111,3111,5111,7111,11111,11112,11113, 11115,11117,11121,11131,11151,11171,11211] |