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| n | a(n) |
|---|---|
| 9 | 877 |
| 10 | 9831 |
| 11 | 84026 |
| 12 | 645307 |
| 13 | 4673602 |
| 14 | 32556486 |
| 15 | 220262805 |
| 16 | 1455625827 |
| 17 | 9440565264 |
| 18 | 60325621897 |
| 19 | 380858965018 |
| 20 | 2380570287207 |
| 21 | 14755381094276 |
| 22 | 90809920042072 |
| 23 | 555505015465351 |
| 24 | 3380585458615769 |
| 25 | 20481290849184365 |
| 26 | 123607231008549590 |
| 27 | 743480537600356891 |
| 28 | 4458809280258460139 |
[877,9831,84026,645307,4673602,32556486,220262805, 1455625827,9440565264,60325621897,380858965018, 2380570287207,14755381094276,90809920042072, 555505015465351,3380585458615769, 20481290849184365,123607231008549590, 743480537600356891,4458809280258460139] |