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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 11 |
| 5 | 17 |
| 6 | 70 |
| 7 | 108 |
| 8 | 483 |
| 9 | 739 |
| 10 | 3426 |
| 11 | 5216 |
| 12 | 24854 |
| 13 | 37674 |
| 14 | 181883 |
| 15 | 275132 |
| 16 | 1342917 |
| 17 | 2028394 |
| 18 | 9983097 |
| 19 | 15062571 |
| 20 | 74631364 |
| 21 | 112508508 |
| 22 | 560498492 |
| 23 | 844385743 |
| 24 | 4225690438 |
| 25 | 6362363975 |
| 26 | 31961830573 |
| 27 | 48100218489 |
| 28 | 242423375634 |
| 29 | 364683032382 |
[1,2,3,11,17,70,108,483,739,3426,5216,24854,37674, 181883,275132,1342917,2028394,9983097,15062571, 74631364,112508508,560498492,844385743,4225690438, 6362363975,31961830573,48100218489,242423375634, 364683032382] |