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| n | a(n) |
|---|---|
| 6 | 1 |
| 7 | 0 |
| 8 | 7 |
| 9 | 7 |
| 10 | 35 |
| 11 | 63 |
| 12 | 176 |
| 13 | 371 |
| 14 | 861 |
| 15 | 1862 |
| 16 | 4032 |
| 17 | 8512 |
| 18 | 17851 |
| 19 | 36848 |
| 20 | 75286 |
| 21 | 152334 |
| 22 | 305466 |
| 23 | 607313 |
| 24 | 1198443 |
| 25 | 2348388 |
| 26 | 4571728 |
| 27 | 8846314 |
| 28 | 17021480 |
| 29 | 32579029 |
| 30 | 62048589 |
| 31 | 117627699 |
| 32 | 222018034 |
| 33 | 417326148 |
| 34 | 781395064 |
| 35 | 1457684326 |
| 36 | 2709797693 |
| 37 | 5020734691 |
| 38 | 9273107977 |
[1,0,7,7,35,63,176,371,861,1862,4032,8512,17851, 36848,75286,152334,305466,607313,1198443,2348388, 4571728,8846314,17021480,32579029,62048589, 117627699,222018034,417326148,781395064, 1457684326,2709797693,5020734691,9273107977] |