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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 10 |
| 4 | 13 |
| 5 | 62 |
| 6 | 75 |
| 7 | 437 |
| 8 | 949 |
| 9 | 1386 |
| 10 | 9265 |
| 11 | 10651 |
| 12 | 83822 |
| 13 | 94473 |
| 14 | 272768 |
| 15 | 912777 |
| 16 | 1185545 |
| 17 | 10397137 |
| 18 | 11582682 |
| 19 | 114641275 |
| 20 | 240865232 |
| 21 | 355506507 |
| 22 | 1662891260 |
| 23 | 2018397767 |
| 24 | 21846868930 |
| 25 | 23865266697 |
| 26 | 93442669021 |
| 27 | 210750604739 |
| 28 | 304193273760 |
| 29 | 3556876616099 |
| 30 | 3861069889859 |
[1,3,10,13,62,75,437,949,1386,9265,10651,83822, 94473,272768,912777,1185545,10397137,11582682, 114641275,240865232,355506507,1662891260, 2018397767,21846868930,23865266697,93442669021, 210750604739,304193273760,3556876616099, 3861069889859] |