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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 41 |
| 3 | 193 |
| 4 | 3100 |
| 5 | 48781 |
| 6 | 580796 |
| 7 | 7644038 |
| 8 | 93971260 |
| 9 | 1163775908 |
| 10 | 14482108589 |
| 11 | 177568766733 |
| 12 | 2190703603084 |
| 13 | 26984752545932 |
| 14 | 331832433327581 |
| 15 | 4085840672826651 |
| 16 | 50271604425392099 |
| 17 | 618555768777598955 |
[0,41,193,3100,48781,580796,7644038,93971260, 1163775908,14482108589,177568766733,2190703603084, 26984752545932,331832433327581,4085840672826651, 50271604425392099,618555768777598955] |