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| n | a(n) |
|---|---|
| 1 | 5449 |
| 2 | 25847 |
| 3 | 53306 |
| 4 | 123396 |
| 5 | 248803 |
| 6 | 521785 |
| 7 | 1045337 |
| 8 | 2159272 |
| 9 | 4456235 |
| 10 | 9472092 |
| 11 | 20420073 |
| 12 | 44991377 |
| 13 | 100353084 |
| 14 | 226542343 |
| 15 | 514848340 |
| 16 | 1176370457 |
| 17 | 2695715545 |
| 18 | 6190362467 |
| 19 | 14231110836 |
| 20 | 32740615341 |
| 21 | 75353257829 |
| 22 | 173470613490 |
[5449,25847,53306,123396,248803,521785,1045337, 2159272,4456235,9472092,20420073,44991377, 100353084,226542343,514848340,1176370457, 2695715545,6190362467,14231110836,32740615341, 75353257829,173470613490] |