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| n | a(n) |
|---|---|
| 1 | 1040 |
| 2 | 4824 |
| 3 | 22472 |
| 4 | 129728 |
| 5 | 699984 |
| 6 | 4332592 |
| 7 | 24793848 |
| 8 | 156146264 |
| 9 | 917982376 |
| 10 | 5792726088 |
| 11 | 34542014432 |
| 12 | 217536762520 |
| 13 | 1307931723824 |
| 14 | 8215494820520 |
| 15 | 49649815689616 |
| 16 | 311141881967400 |
| 17 | 1886646705995688 |
| 18 | 11801380127712512 |
[1040,4824,22472,129728,699984,4332592,24793848, 156146264,917982376,5792726088,34542014432, 217536762520,1307931723824,8215494820520, 49649815689616,311141881967400,1886646705995688, 11801380127712512] |