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| n | a(n) |
|---|---|
| 1 | 32 |
| 2 | 244 |
| 3 | 2343 |
| 4 | 20400 |
| 5 | 165607 |
| 6 | 1383105 |
| 7 | 10778640 |
| 8 | 86308622 |
| 9 | 661641931 |
| 10 | 5146079168 |
| 11 | 39031235709 |
| 12 | 297777942033 |
| 13 | 2239241624640 |
| 14 | 16861326990168 |
| 15 | 125878250277823 |
| 16 | 939067269600080 |
| 17 | 6967653661432115 |
| 18 | 51619835791134129 |
| 19 | 381021973991495280 |
[32,244,2343,20400,165607,1383105,10778640, 86308622,661641931,5146079168,39031235709, 297777942033,2239241624640,16861326990168, 125878250277823,939067269600080,6967653661432115, 51619835791134129,381021973991495280] |