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| n | a(n) |
|---|---|
| 1 | 24 |
| 2 | 100 |
| 3 | 360 |
| 4 | 1907 |
| 5 | 6931 |
| 6 | 21765 |
| 7 | 86233 |
| 8 | 274628 |
| 9 | 965494 |
| 10 | 3146010 |
| 11 | 10444724 |
| 12 | 33097949 |
| 13 | 108522965 |
| 14 | 338311791 |
| 15 | 1086568168 |
| 16 | 3360254074 |
| 17 | 10607088651 |
| 18 | 32550672493 |
| 19 | 101662193862 |
[24,100,360,1907,6931,21765,86233,274628,965494, 3146010,10444724,33097949,108522965,338311791, 1086568168,3360254074,10607088651,32550672493, 101662193862] |