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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 17 |
| 4 | 37 |
| 5 | 50 |
| 6 | 56 |
| 7 | 391 |
| 8 | 919 |
| 9 | 1399 |
| 10 | 2829 |
| 11 | 6249 |
| 12 | 13664 |
| 13 | 28829 |
| 14 | 62272 |
| 15 | 67195 |
| 16 | 585391 |
| 17 | 5504271 |
| 18 | 6798541 |
| 19 | 10763933 |
| 20 | 866660818 |
| 21 | 3830393407 |
| 22 | 11044287758 |
| 23 | 23058607363 |
| 24 | 83159875881 |
| 25 | 206501883259 |
| 26 | 297734985607 |
| 27 | 1087473543732 |
| 28 | 1184060078117 |
| 29 | 2789730557061 |
| 30 | 2821551579466 |
| 31 | 3529184155643 |
[1,2,17,37,50,56,391,919,1399,2829,6249,13664, 28829,62272,67195,585391,5504271,6798541,10763933, 866660818,3830393407,11044287758,23058607363, 83159875881,206501883259,297734985607, 1087473543732,1184060078117,2789730557061, 2821551579466,3529184155643] |