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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 6 |
| 3 | 1 |
| 4 | 16 |
| 5 | 7 |
| 6 | 96 |
| 7 | 31 |
| 8 | 256 |
| 9 | 223 |
| 10 | 1536 |
| 11 | 319 |
| 12 | 6144 |
| 13 | 1151 |
| 14 | 16640 |
| 15 | 15359 |
| 16 | 107264 |
| 17 | 20735 |
| 18 | 464896 |
| 19 | 264191 |
| 20 | 258048 |
| 21 | 3854335 |
| 22 | 2367488 |
| 23 | 208895 |
| 24 | 26820608 |
| 25 | 8527871 |
| 26 | 73760768 |
| 27 | 100712447 |
| 28 | 20381696 |
| 29 | 948207615 |
| 30 | 75104256 |
| 31 | 2252537855 |
| 32 | 2966421504 |
| 33 | 4429840383 |
| 34 | 12362973184 |
[1,0,6,1,16,7,96,31,256,223,1536,319,6144,1151, 16640,15359,107264,20735,464896,264191,258048, 3854335,2367488,208895,26820608,8527871,73760768, 100712447,20381696,948207615,75104256,2252537855, 2966421504,4429840383,12362973184] |