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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 704 |
| 3 | 704 |
| 4 | 1936 |
| 5 | 15776 |
| 6 | 1936 |
| 7 | 34816 |
| 8 | 315520 |
| 9 | 315520 |
| 10 | 34816 |
| 11 | 172992 |
| 12 | 6781400 |
| 13 | 11342816 |
| 14 | 6781400 |
| 15 | 172992 |
| 16 | 2053216 |
| 17 | 146491208 |
| 18 | 716732884 |
| 19 | 716732884 |
| 20 | 146491208 |
| 21 | 2053216 |
| 22 | 12950528 |
| 23 | 3204417424 |
| 24 | 34292827560 |
[0,704,704,1936,15776,1936,34816,315520,315520, 34816,172992,6781400,11342816,6781400,172992, 2053216,146491208,716732884,716732884,146491208, 2053216,12950528,3204417424,34292827560] |