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| n | a(n) |
|---|---|
| 1 | 22 |
| 2 | 148 |
| 3 | 2066 |
| 4 | 17550 |
| 5 | 279886 |
| 6 | 2545618 |
| 7 | 41758418 |
| 8 | 386198428 |
| 9 | 6402184552 |
| 10 | 59522550860 |
| 11 | 989951909274 |
| 12 | 9219059734138 |
| 13 | 153482631485554 |
| 14 | 1430059273612710 |
| 15 | 23815641376583332 |
| 16 | 221934887827387424 |
| 17 | 3696371174369294160 |
[22,148,2066,17550,279886,2545618,41758418, 386198428,6402184552,59522550860,989951909274, 9219059734138,153482631485554,1430059273612710, 23815641376583332,221934887827387424, 3696371174369294160] |