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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 3 |
| 3 | 8 |
| 4 | 1 |
| 5 | 56 |
| 6 | 3 |
| 7 | 248 |
| 8 | 1 |
| 9 | 1004 |
| 10 | 3 |
| 11 | 4040 |
| 12 | 3 |
| 13 | 16264 |
| 14 | 65 |
| 15 | 65500 |
| 16 | 395 |
| 17 | 261160 |
| 18 | 199 |
| 19 | 1048066 |
| 20 | 504 |
| 21 | 4193495 |
| 22 | 530 |
| 23 | 16774336 |
| 24 | 1331 |
| 25 | 67100932 |
| 26 | 3377 |
| 27 | 268423174 |
| 28 | 7568 |
| 29 | 1073711175 |
| 30 | 12048 |
| 31 | 4294918753 |
| 32 | 5658 |
| 33 | 17179754562 |
| 34 | 79930 |
| 35 | 68719366802 |
| 36 | 262154 |
| 37 | 274877208450 |
[1,0,3,8,1,56,3,248,1,1004,3,4040,3,16264,65, 65500,395,261160,199,1048066,504,4193495,530, 16774336,1331,67100932,3377,268423174,7568, 1073711175,12048,4294918753,5658,17179754562, 79930,68719366802,262154,274877208450] |