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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 5 |
| 3 | 25 |
| 4 | 87 |
| 5 | 325 |
| 6 | 213 |
| 7 | 192 |
| 8 | 758 |
| 9 | 500 |
| 10 | 1158 |
| 11 | 1668 |
| 12 | 5383 |
| 13 | 4217 |
| 14 | 13130 |
| 15 | 15180 |
| 16 | 4713 |
| 17 | 5955 |
| 18 | 19583 |
| 19 | 66642 |
| 20 | 17127 |
| 21 | 48108 |
| 22 | 49485 |
| 23 | 28905 |
| 24 | 171005 |
| 25 | 175530 |
| 26 | 61838 |
| 27 | 314192 |
| 28 | 76967 |
| 29 | 192637 |
| 30 | 96147 |
| 31 | 812768 |
| 32 | 708780 |
| 33 | 139725 |
| 34 | 295862 |
| 35 | 354545 |
| 36 | 1572328 |
| 37 | 1240860 |
| 38 | 1681368 |
| 39 | 773453 |
| 40 | 1300602 |
[2,5,25,87,325,213,192,758,500,1158,1668,5383, 4217,13130,15180,4713,5955,19583,66642,17127, 48108,49485,28905,171005,175530,61838,314192, 76967,192637,96147,812768,708780,139725,295862, 354545,1572328,1240860,1681368,773453,1300602] |