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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 3 |
| 3 | 8 |
| 4 | 40 |
| 5 | 121 |
| 6 | 465 |
| 7 | 1822 |
| 8 | 7045 |
| 9 | 27552 |
| 10 | 107582 |
| 11 | 418774 |
| 12 | 1634134 |
| 13 | 6372604 |
| 14 | 24848456 |
| 15 | 96907225 |
| 16 | 377944318 |
| 17 | 1473935615 |
| 18 | 5748325489 |
| 19 | 22418429589 |
| 20 | 87431292466 |
| 21 | 340980199614 |
| 22 | 1329816738811 |
| 23 | 5186259016513 |
| 24 | 20226307560063 |
| 25 | 78882211351573 |
[5,3,8,40,121,465,1822,7045,27552,107582,418774, 1634134,6372604,24848456,96907225,377944318, 1473935615,5748325489,22418429589,87431292466, 340980199614,1329816738811,5186259016513, 20226307560063,78882211351573] |