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| n | a(n) |
|---|---|
| 1 | 37 |
| 2 | 199 |
| 3 | 677 |
| 4 | 1955 |
| 5 | 5323 |
| 6 | 14313 |
| 7 | 37885 |
| 8 | 102041 |
| 9 | 273511 |
| 10 | 749531 |
| 11 | 2046981 |
| 12 | 5707517 |
| 13 | 15836459 |
| 14 | 44772949 |
| 15 | 125719807 |
| 16 | 359222809 |
| 17 | 1017627511 |
| 18 | 2931555923 |
| 19 | 8360495347 |
| 20 | 24240841339 |
| 21 | 69495187871 |
| 22 | 202554449245 |
| 23 | 583137465157 |
| 24 | 1706970835321 |
[37,199,677,1955,5323,14313,37885,102041,273511, 749531,2046981,5707517,15836459,44772949, 125719807,359222809,1017627511,2931555923, 8360495347,24240841339,69495187871,202554449245, 583137465157,1706970835321] |