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| n | a(n) |
|---|---|
| 1 | 44 |
| 2 | 104 |
| 3 | 704 |
| 4 | 2532 |
| 5 | 14308 |
| 6 | 64024 |
| 7 | 328116 |
| 8 | 1509288 |
| 9 | 7610052 |
| 10 | 36481660 |
| 11 | 180534736 |
| 12 | 869511316 |
| 13 | 4284355448 |
| 14 | 20864250924 |
| 15 | 102391000452 |
| 16 | 498989985620 |
| 17 | 2445651060392 |
| 18 | 11953995167792 |
| 19 | 58540364415804 |
| 20 | 286162414812456 |
[44,104,704,2532,14308,64024,328116,1509288, 7610052,36481660,180534736,869511316,4284355448, 20864250924,102391000452,498989985620, 2445651060392,11953995167792,58540364415804, 286162414812456] |