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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 19 |
| 4 | 235 |
| 5 | 2539 |
| 6 | 26119 |
| 7 | 263863 |
| 8 | 2648107 |
| 9 | 26513875 |
| 10 | 265250287 |
| 11 | 2652876847 |
| 12 | 26530008499 |
| 13 | 265304159371 |
| 14 | 2653054879735 |
| 15 | 26530591844071 |
| 16 | 265306057146811 |
| 17 | 2653061016284227 |
| 18 | 26530611583384063 |
| 19 | 265306120353746335 |
| 20 | 2653061217872021443 |
| 21 | 26530612224048411643 |
[0,1,19,235,2539,26119,263863,2648107,26513875, 265250287,2652876847,26530008499,265304159371, 2653054879735,26530591844071,265306057146811, 2653061016284227,26530611583384063, 265306120353746335,2653061217872021443, 26530612224048411643] |