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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 22 |
| 3 | 295 |
| 4 | 3145 |
| 5 | 29503 |
| 6 | 256565 |
| 7 | 2134122 |
| 8 | 17337685 |
| 9 | 139635380 |
| 10 | 1127444190 |
| 11 | 9204978242 |
| 12 | 76496257502 |
| 13 | 650255333547 |
| 14 | 5673699543152 |
| 15 | 50929138898237 |
| 16 | 470895301126099 |
| 17 | 4486844907734841 |
| 18 | 44052656933795691 |
| 19 | 445462140383086124 |
[1,22,295,3145,29503,256565,2134122,17337685, 139635380,1127444190,9204978242,76496257502, 650255333547,5673699543152,50929138898237, 470895301126099,4486844907734841, 44052656933795691,445462140383086124] |