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| n | a(n) |
|---|---|
| 0 | 22 |
| 1 | 67 |
| 2 | 156 |
| 3 | 379 |
| 4 | 2051 |
| 5 | 12685 |
| 6 | 65476 |
| 7 | 143637 |
| 8 | 352750 |
| 9 | 1201887 |
| 10 | 53235778 |
| 11 | 160909221 |
| 12 | 375054220 |
| 13 | 911017661 |
| 14 | 4930142525 |
| 15 | 30491872811 |
| 16 | 157389506580 |
| 17 | 345270885971 |
| 18 | 847931278522 |
| 19 | 2889064721537 |
| 20 | 127966779026150 |
| 21 | 386789401799987 |
| 22 | 901545582626124 |
| 23 | 2189880567052235 |
[22,67,156,379,2051,12685,65476,143637,352750, 1201887,53235778,160909221,375054220,911017661, 4930142525,30491872811,157389506580,345270885971, 847931278522,2889064721537,127966779026150, 386789401799987,901545582626124,2189880567052235] |