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| n | a(n) |
|---|---|
| 1 | 80 |
| 2 | 132 |
| 3 | 269 |
| 4 | 484 |
| 5 | 871 |
| 6 | 1702 |
| 7 | 3230 |
| 8 | 6084 |
| 9 | 11656 |
| 10 | 22140 |
| 11 | 41998 |
| 12 | 80163 |
| 13 | 152575 |
| 14 | 290154 |
| 15 | 552862 |
| 16 | 1052566 |
| 17 | 2003661 |
| 18 | 3815643 |
| 19 | 7265371 |
| 20 | 13832801 |
| 21 | 26339615 |
| 22 | 50153430 |
| 23 | 95494793 |
| 24 | 181830620 |
| 25 | 346224829 |
| 26 | 659237773 |
| 27 | 1255247777 |
| 28 | 2390111154 |
| 29 | 4550973946 |
[80,132,269,484,871,1702,3230,6084,11656,22140, 41998,80163,152575,290154,552862,1052566,2003661, 3815643,7265371,13832801,26339615,50153430, 95494793,181830620,346224829,659237773,1255247777, 2390111154,4550973946] |