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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 2 |
| 6 | 0 |
| 7 | 0 |
| 8 | 20 |
| 9 | 48 |
| 10 | 0 |
| 11 | 0 |
| 12 | 1147 |
| 13 | 3968 |
| 14 | 0 |
| 15 | 0 |
| 16 | 173203 |
| 17 | 709488 |
| 18 | 0 |
| 19 | 0 |
| 20 | 53555964 |
| 21 | 246505600 |
| 22 | 0 |
| 23 | 0 |
| 24 | 28368601065 |
| 25 | 148963383616 |
| 26 | 0 |
| 27 | 0 |
| 28 | 24044155851601 |
| 29 | 141410718244864 |
| 30 | 0 |
| 31 | 0 |
| 32 | 30934515698084780 |
| 33 | 198914201874983936 |
| 34 | 0 |
| 35 | 0 |
| 36 | 57215369885233295955 |
| 37 | 398742900995358584320 |
[1,1,0,0,1,2,0,0,20,48,0,0,1147,3968,0,0,173203, 709488,0,0,53555964,246505600,0,0,28368601065, 148963383616,0,0,24044155851601,141410718244864,0, 0,30934515698084780,198914201874983936,0,0, 57215369885233295955,398742900995358584320] |