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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 12 |
| 4 | 461 |
| 5 | 934 |
| 6 | 2329 |
| 7 | 5592 |
| 8 | 214825 |
| 9 | 435242 |
| 10 | 1085309 |
| 11 | 2605860 |
| 12 | 100107989 |
| 13 | 202821838 |
| 14 | 505751665 |
| 15 | 1214325168 |
| 16 | 46650108049 |
| 17 | 94514541266 |
| 18 | 235679190581 |
| 19 | 565872922428 |
| 20 | 21738850242845 |
| 21 | 44043573408118 |
| 22 | 109825997059081 |
| 23 | 263695567526280 |
| 24 | 10130257563057721 |
[1,2,5,12,461,934,2329,5592,214825,435242,1085309, 2605860,100107989,202821838,505751665,1214325168, 46650108049,94514541266,235679190581,565872922428, 21738850242845,44043573408118,109825997059081, 263695567526280,10130257563057721] |