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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 7 |
| 3 | 9 |
| 4 | 27 |
| 5 | 33 |
| 6 | 37 |
| 7 | 59 |
| 8 | 179 |
| 9 | 289 |
| 10 | 389 |
| 11 | 917 |
| 12 | 1885 |
| 13 | 2987 |
| 14 | 3683 |
| 15 | 4807 |
| 16 | 8709 |
| 17 | 10153 |
| 18 | 11067 |
| 19 | 11665 |
| 20 | 18909 |
| 21 | 22085 |
| 22 | 32489 |
| 23 | 36233 |
| 24 | 143133 |
| 25 | 202609 |
| 26 | 278567 |
| 27 | 316403 |
| 28 | 347159 |
| 29 | 423467 |
| 30 | 425257 |
| 31 | 427623 |
[5,7,9,27,33,37,59,179,289,389,917,1885,2987,3683, 4807,8709,10153,11067,11665,18909,22085,32489, 36233,143133,202609,278567,316403,347159,423467, 425257,427623] |