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| n | a(n) |
|---|---|
| 6 | 1 |
| 7 | 14 |
| 8 | 127 |
| 9 | 958 |
| 10 | 6601 |
| 11 | 43698 |
| 12 | 287507 |
| 13 | 1929706 |
| 14 | 13486531 |
| 15 | 99571340 |
| 16 | 782211324 |
| 17 | 6539607380 |
| 18 | 57901173453 |
| 19 | 538952965192 |
| 20 | 5234230025617 |
| 21 | 52686138293574 |
| 22 | 546666444601661 |
| 23 | 5821956732601772 |
| 24 | 63426558436432195 |
| 25 | 704956833621381378 |
[1,14,127,958,6601,43698,287507,1929706,13486531, 99571340,782211324,6539607380,57901173453, 538952965192,5234230025617,52686138293574, 546666444601661,5821956732601772, 63426558436432195,704956833621381378] |