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| n | a(n) |
|---|---|
| 3 | 7 |
| 4 | 48 |
| 5 | 331 |
| 6 | 1269 |
| 7 | 3698 |
| 8 | 9382 |
| 9 | 20927 |
| 10 | 42683 |
| 11 | 79844 |
| 12 | 142173 |
| 13 | 238810 |
| 14 | 387615 |
| 15 | 603589 |
| 16 | 915324 |
| 17 | 1345294 |
| 18 | 1939221 |
| 19 | 2729723 |
| 20 | 3783313 |
| 21 | 5138567 |
| 22 | 6895632 |
| 23 | 9108626 |
| 24 | 11909496 |
| 25 | 15362753 |
| 26 | 19642539 |
| 27 | 24832744 |
| 28 | 31179476 |
| 29 | 38757032 |
| 30 | 47877886 |
| 31 | 58647957 |
| 32 | 71447776 |
| 33 | 86391220 |
[7,48,331,1269,3698,9382,20927,42683,79844,142173, 238810,387615,603589,915324,1345294,1939221, 2729723,3783313,5138567,6895632,9108626,11909496, 15362753,19642539,24832744,31179476,38757032, 47877886,58647957,71447776,86391220] |