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| n | a(n) |
|---|---|
| 1 | 19 |
| 2 | 37 |
| 3 | 73 |
| 4 | 127 |
| 5 | 271 |
| 6 | 1153 |
| 7 | 1531 |
| 8 | 1571 |
| 9 | 3511 |
| 10 | 5113 |
| 11 | 5171 |
| 12 | 5711 |
| 13 | 7151 |
| 14 | 11161 |
| 15 | 11251 |
| 16 | 12511 |
| 17 | 15121 |
| 18 | 16111 |
| 19 | 25111 |
| 20 | 111119 |
| 21 | 111191 |
| 22 | 111317 |
| 23 | 111731 |
| 24 | 113117 |
| 25 | 113131 |
| 26 | 113171 |
| 27 | 115151 |
| 28 | 131113 |
| 29 | 131171 |
| 30 | 131311 |
| 31 | 131711 |
| 32 | 171131 |
| 33 | 311711 |
| 34 | 511151 |
| 35 | 515111 |
| 36 | 711131 |
| 37 | 911111 |
| 38 | 1111213 |
[19,37,73,127,271,1153,1531,1571,3511,5113,5171, 5711,7151,11161,11251,12511,15121,16111,25111, 111119,111191,111317,111731,113117,113131,113171, 115151,131113,131171,131311,131711,171131,311711, 511151,515111,711131,911111,1111213] |