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| n | a(n) |
|---|---|
| 0 | 22 |
| 1 | 45 |
| 2 | 202 |
| 3 | 449 |
| 4 | 19958 |
| 5 | 40365 |
| 6 | 181418 |
| 7 | 403201 |
| 8 | 17922262 |
| 9 | 36247725 |
| 10 | 162913162 |
| 11 | 362074049 |
| 12 | 16094171318 |
| 13 | 32550416685 |
| 14 | 146295838058 |
| 15 | 325142092801 |
| 16 | 14452547921302 |
| 17 | 29230237935405 |
| 18 | 131373499662922 |
[22,45,202,449,19958,40365,181418,403201,17922262, 36247725,162913162,362074049,16094171318, 32550416685,146295838058,325142092801, 14452547921302,29230237935405,131373499662922] |