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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 50 |
| 3 | 86 |
| 4 | 265 |
| 5 | 883 |
| 6 | 2974 |
| 7 | 9940 |
| 8 | 33462 |
| 9 | 112470 |
| 10 | 377908 |
| 11 | 1270638 |
| 12 | 4271547 |
| 13 | 14358358 |
| 14 | 48270403 |
| 15 | 162269445 |
| 16 | 545492694 |
| 17 | 1833790077 |
| 18 | 6164622703 |
| 19 | 20723502506 |
| 20 | 69666040146 |
| 21 | 234195417025 |
| 22 | 787291729779 |
| 23 | 2646629705960 |
| 24 | 8897142589375 |
[5,50,86,265,883,2974,9940,33462,112470,377908, 1270638,4271547,14358358,48270403,162269445, 545492694,1833790077,6164622703,20723502506, 69666040146,234195417025,787291729779, 2646629705960,8897142589375] |