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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 12 |
| 4 | 78 |
| 5 | 189 |
| 6 | 1233 |
| 7 | 2988 |
| 8 | 19494 |
| 9 | 47241 |
| 10 | 308205 |
| 11 | 746892 |
| 12 | 4872798 |
| 13 | 11808549 |
| 14 | 77040153 |
| 15 | 186696108 |
| 16 | 1218024054 |
| 17 | 2951712081 |
| 18 | 19257264405 |
| 19 | 46667304972 |
| 20 | 304462158318 |
| 21 | 737821743309 |
| 22 | 4813622739873 |
| 23 | 11665145978028 |
| 24 | 76104577363014 |
[1,5,12,78,189,1233,2988,19494,47241,308205, 746892,4872798,11808549,77040153,186696108, 1218024054,2951712081,19257264405,46667304972, 304462158318,737821743309,4813622739873, 11665145978028,76104577363014] |