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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 7 |
| 4 | 3 |
| 5 | 18 |
| 6 | 55 |
| 7 | 5 |
| 8 | 50 |
| 9 | 216 |
| 10 | 631 |
| 11 | 7 |
| 12 | 118 |
| 13 | 729 |
| 14 | 2780 |
| 15 | 8001 |
| 16 | 11 |
| 17 | 301 |
| 18 | 2621 |
| 19 | 12954 |
| 20 | 45865 |
| 21 | 130453 |
| 22 | 15 |
| 23 | 684 |
| 24 | 8535 |
| 25 | 55196 |
| 26 | 241870 |
| 27 | 820554 |
| 28 | 2323483 |
| 29 | 22 |
| 30 | 1621 |
| 31 | 28689 |
| 32 | 241634 |
| 33 | 1307055 |
| 34 | 5280204 |
| 35 | 17353028 |
| 36 | 48916087 |
| 37 | 30 |
| 38 | 3620 |
| 39 | 91749 |
| 40 | 1012196 |
| 41 | 6783210 |
| 42 | 32711022 |
| 43 | 124991685 |
| 44 | 401709720 |
| 45 | 1129559068 |
[1,2,7,3,18,55,5,50,216,631,7,118,729,2780,8001, 11,301,2621,12954,45865,130453,15,684,8535,55196, 241870,820554,2323483,22,1621,28689,241634, 1307055,5280204,17353028,48916087,30,3620,91749, 1012196,6783210,32711022,124991685,401709720, 1129559068] |