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| n | a(n) |
|---|---|
| 1 | 4884 |
| 2 | 11205 |
| 3 | 39306 |
| 4 | 145824 |
| 5 | 495858 |
| 6 | 1824315 |
| 7 | 6254364 |
| 8 | 22950822 |
| 9 | 80340090 |
| 10 | 297576123 |
| 11 | 1049291592 |
| 12 | 3857539692 |
| 13 | 13593707712 |
| 14 | 50108727009 |
| 15 | 177035467728 |
| 16 | 652290312486 |
| 17 | 2303858318196 |
| 18 | 8487080173464 |
| 19 | 29999221547154 |
| 20 | 110520245949639 |
[4884,11205,39306,145824,495858,1824315,6254364, 22950822,80340090,297576123,1049291592,3857539692, 13593707712,50108727009,177035467728,652290312486, 2303858318196,8487080173464,29999221547154, 110520245949639] |