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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 256 |
| 3 | 1723 |
| 4 | 8496 |
| 5 | 50024 |
| 6 | 357323 |
| 7 | 2482591 |
| 8 | 15915001 |
| 9 | 100745265 |
| 10 | 655633882 |
| 11 | 4322765564 |
| 12 | 28292943180 |
| 13 | 183873191611 |
| 14 | 1195974189947 |
| 15 | 7802581300173 |
| 16 | 50931021729006 |
| 17 | 332106212299242 |
| 18 | 2164490825527781 |
| 19 | 14110729853099870 |
[16,256,1723,8496,50024,357323,2482591,15915001, 100745265,655633882,4322765564,28292943180, 183873191611,1195974189947,7802581300173, 50931021729006,332106212299242,2164490825527781, 14110729853099870] |