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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 53 |
| 3 | 311 |
| 4 | 1103 |
| 5 | 2647 |
| 6 | 3137 |
| 7 | 16339 |
| 8 | 44927 |
| 9 | 47123 |
| 10 | 68521 |
| 11 | 189149 |
| 12 | 337871 |
| 13 | 609533 |
| 14 | 668539 |
| 15 | 1192753 |
| 16 | 1415773 |
| 17 | 1502947 |
| 18 | 1586857 |
| 19 | 1768583 |
| 20 | 2000143 |
| 21 | 2068813 |
| 22 | 2126539 |
| 23 | 2332181 |
| 24 | 2772829 |
| 25 | 3396091 |
| 26 | 3841181 |
| 27 | 4712063 |
| 28 | 5153209 |
| 29 | 5428037 |
| 30 | 5770697 |
[5,53,311,1103,2647,3137,16339,44927,47123,68521, 189149,337871,609533,668539,1192753,1415773, 1502947,1586857,1768583,2000143,2068813,2126539, 2332181,2772829,3396091,3841181,4712063,5153209, 5428037,5770697] |