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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 31 |
| 3 | 37 |
| 4 | 67 |
| 5 | 73 |
| 6 | 181 |
| 7 | 367 |
| 8 | 541 |
| 9 | 661 |
| 10 | 997 |
| 11 | 1087 |
| 12 | 1117 |
| 13 | 1327 |
| 14 | 1861 |
| 15 | 2179 |
| 16 | 2293 |
| 17 | 2473 |
| 18 | 2713 |
| 19 | 2719 |
| 20 | 3271 |
| 21 | 3727 |
| 22 | 4363 |
| 23 | 5281 |
| 24 | 5443 |
| 25 | 5749 |
| 26 | 7459 |
| 27 | 8089 |
| 28 | 8707 |
| 29 | 9109 |
| 30 | 9181 |
| 31 | 9337 |
| 32 | 10357 |
| 33 | 10639 |
| 34 | 12553 |
| 35 | 13183 |
| 36 | 14923 |
| 37 | 16183 |
| 38 | 16249 |
| 39 | 17341 |
| 40 | 17419 |
| 41 | 17761 |
| 42 | 17923 |
| 43 | 17989 |
[13,31,37,67,73,181,367,541,661,997,1087,1117, 1327,1861,2179,2293,2473,2713,2719,3271,3727,4363, 5281,5443,5749,7459,8089,8707,9109,9181,9337, 10357,10639,12553,13183,14923,16183,16249,17341, 17419,17761,17923,17989] |