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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 10 |
| 3 | 32 |
| 4 | 102 |
| 5 | 360 |
| 6 | 1228 |
| 7 | 4156 |
| 8 | 14148 |
| 9 | 48188 |
| 10 | 163956 |
| 11 | 557884 |
| 12 | 1898612 |
| 13 | 6461148 |
| 14 | 21987412 |
| 15 | 74824380 |
| 16 | 254631924 |
| 17 | 866526236 |
| 18 | 2948835860 |
| 19 | 10035051900 |
| 20 | 34149835828 |
| 21 | 116213772252 |
| 22 | 395481874772 |
| 23 | 1345846631740 |
| 24 | 4579990298484 |
[1,10,32,102,360,1228,4156,14148,48188,163956, 557884,1898612,6461148,21987412,74824380, 254631924,866526236,2948835860,10035051900, 34149835828,116213772252,395481874772, 1345846631740,4579990298484] |