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| n | a(n) |
|---|---|
| 1 | 32 |
| 2 | 969 |
| 3 | 1860 |
| 4 | 7016 |
| 5 | 30089 |
| 6 | 123258 |
| 7 | 488812 |
| 8 | 1973932 |
| 9 | 7998917 |
| 10 | 32133289 |
| 11 | 129295516 |
| 12 | 521825491 |
| 13 | 2103866573 |
| 14 | 8477867045 |
| 15 | 34181235225 |
| 16 | 137822897266 |
| 17 | 555658803759 |
| 18 | 2240383895918 |
| 19 | 9033674194617 |
| 20 | 36426046739915 |
| 21 | 146881842890670 |
[32,969,1860,7016,30089,123258,488812,1973932, 7998917,32133289,129295516,521825491,2103866573, 8477867045,34181235225,137822897266,555658803759, 2240383895918,9033674194617,36426046739915, 146881842890670] |