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| n | a(n) |
|---|---|
| 13 | 1 |
| 14 | 1 |
| 15 | 8 |
| 16 | 11 |
| 17 | 52 |
| 18 | 91 |
| 19 | 326 |
| 20 | 567 |
| 21 | 1925 |
| 22 | 3361 |
| 23 | 10114 |
| 24 | 17998 |
| 25 | 50084 |
| 26 | 89303 |
| 27 | 236472 |
| 28 | 414418 |
| 29 | 1036205 |
| 30 | 1872828 |
| 31 | 4394636 |
| 32 | 7781405 |
| 33 | 18111119 |
| 34 | 31868623 |
| 35 | 70513669 |
| 36 | 125728510 |
| 37 | 269084037 |
| 38 | 475275290 |
| 39 | 1005278492 |
| 40 | 1749029589 |
| 41 | 3594394017 |
| 42 | 6355048530 |
| 43 | 12651552078 |
| 44 | 22036692845 |
| 45 | 43804062866 |
| 46 | 75652893831 |
[1,1,8,11,52,91,326,567,1925,3361,10114,17998, 50084,89303,236472,414418,1036205,1872828,4394636, 7781405,18111119,31868623,70513669,125728510, 269084037,475275290,1005278492,1749029589, 3594394017,6355048530,12651552078,22036692845, 43804062866,75652893831] |