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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 6 |
| 3 | 11 |
| 4 | 28 |
| 5 | 39 |
| 6 | 184 |
| 7 | 591 |
| 8 | 3730 |
| 9 | 4321 |
| 10 | 33977 |
| 11 | 38298 |
| 12 | 72275 |
| 13 | 544223 |
| 14 | 616498 |
| 15 | 4243211 |
| 16 | 13346131 |
| 17 | 57627735 |
| 18 | 70973866 |
| 19 | 199575467 |
| 20 | 270549333 |
| 21 | 470124800 |
| 22 | 2621173333 |
| 23 | 131528791450 |
| 24 | 660265130583 |
| 25 | 791793922033 |
| 26 | 1452059052616 |
| 27 | 3695912027265 |
| 28 | 5147971079881 |
| 29 | 24287796346789 |
[1,5,6,11,28,39,184,591,3730,4321,33977,38298, 72275,544223,616498,4243211,13346131,57627735, 70973866,199575467,270549333,470124800,2621173333, 131528791450,660265130583,791793922033, 1452059052616,3695912027265,5147971079881, 24287796346789] |