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| n | a(n) |
|---|---|
| 1 | 738 |
| 2 | 1928 |
| 3 | 4522 |
| 4 | 9918 |
| 5 | 31022 |
| 6 | 74194 |
| 7 | 163318 |
| 8 | 509054 |
| 9 | 1221194 |
| 10 | 2704574 |
| 11 | 8386814 |
| 12 | 20177362 |
| 13 | 44950790 |
| 14 | 138592654 |
| 15 | 334384234 |
| 16 | 749470958 |
| 17 | 2296746062 |
| 18 | 5557738322 |
| 19 | 12535135958 |
| 20 | 38171299294 |
| 21 | 92650542218 |
| 22 | 210319394398 |
| 23 | 636286353118 |
[738,1928,4522,9918,31022,74194,163318,509054, 1221194,2704574,8386814,20177362,44950790, 138592654,334384234,749470958,2296746062, 5557738322,12535135958,38171299294,92650542218, 210319394398,636286353118] |