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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 192 |
| 3 | 2936 |
| 4 | 33152 |
| 5 | 434210 |
| 6 | 5528352 |
| 7 | 70125438 |
| 8 | 894288072 |
| 9 | 11389420426 |
| 10 | 145014350614 |
| 11 | 1847290177850 |
| 12 | 23526538305672 |
| 13 | 299648762413814 |
| 14 | 3816489616159674 |
| 15 | 48608803039977948 |
| 16 | 619107558779191608 |
[16,192,2936,33152,434210,5528352,70125438, 894288072,11389420426,145014350614,1847290177850, 23526538305672,299648762413814,3816489616159674, 48608803039977948,619107558779191608] |