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| n | a(n) |
|---|---|
| 0 | 16384 |
| 1 | 35831808 |
| 2 | 1280000000 |
| 3 | 13492928512 |
| 4 | 78364164096 |
| 5 | 319277809664 |
| 6 | 1028071702528 |
| 7 | 2799360000000 |
| 8 | 6722988818432 |
| 9 | 14645194571776 |
| 10 | 29509034655744 |
| 11 | 55784660123648 |
| 12 | 100000000000000 |
| 13 | 171382426877952 |
| 14 | 282621973446656 |
| 15 | 450766669594624 |
| 16 | 698260569735168 |
| 17 | 1054135040000000 |
| 18 | 1555363874947072 |
| 19 | 2248392813428736 |
[16384,35831808,1280000000,13492928512, 78364164096,319277809664,1028071702528, 2799360000000,6722988818432,14645194571776, 29509034655744,55784660123648,100000000000000, 171382426877952,282621973446656,450766669594624, 698260569735168,1054135040000000,1555363874947072, 2248392813428736] |