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| n | a(n) |
|---|---|
| 1 | 44 |
| 2 | 537 |
| 3 | 10069 |
| 4 | 167920 |
| 5 | 2905717 |
| 6 | 49760703 |
| 7 | 854841910 |
| 8 | 14672363665 |
| 9 | 251901309671 |
| 10 | 4324419947902 |
| 11 | 74239477396709 |
| 12 | 1274497943112719 |
| 13 | 21879841688275026 |
| 14 | 375620233563570591 |
| 15 | 6448427921064594633 |
| 16 | 110702824503136846908 |
[44,537,10069,167920,2905717,49760703,854841910, 14672363665,251901309671,4324419947902, 74239477396709,1274497943112719,21879841688275026, 375620233563570591,6448427921064594633, 110702824503136846908] |