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| n | a(n) |
|---|---|
| 0 | 47750 |
| 1 | 136534 |
| 2 | 559318 |
| 3 | 2753270 |
| 4 | 15400950 |
| 5 | 90898294 |
| 6 | 533474678 |
| 7 | 3033407350 |
| 8 | 16617791350 |
| 9 | 87925716854 |
| 10 | 451432421238 |
| 11 | 2259700922230 |
| 12 | 11073057240950 |
| 13 | 53297483364214 |
| 14 | 252669889754998 |
| 15 | 1182399069697910 |
| 16 | 5471583039141750 |
| 17 | 25074494578112374 |
| 18 | 113930964314371958 |
[47750,136534,559318,2753270,15400950,90898294, 533474678,3033407350,16617791350,87925716854, 451432421238,2259700922230,11073057240950, 53297483364214,252669889754998,1182399069697910, 5471583039141750,25074494578112374, 113930964314371958] |