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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 14 |
| 3 | 171 |
| 4 | 2056 |
| 5 | 24677 |
| 6 | 296130 |
| 7 | 3553567 |
| 8 | 42642812 |
| 9 | 511713753 |
| 10 | 6140565046 |
| 11 | 73686780563 |
| 12 | 884241366768 |
| 13 | 10610896401229 |
| 14 | 127330756814762 |
| 15 | 1527969081777159 |
| 16 | 18335628981325924 |
| 17 | 220027547775911105 |
| 18 | 2640330573310933278 |
| 19 | 31683966879731199355 |
[1,14,171,2056,24677,296130,3553567,42642812, 511713753,6140565046,73686780563,884241366768, 10610896401229,127330756814762,1527969081777159, 18335628981325924,220027547775911105, 2640330573310933278,31683966879731199355] |