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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 28 |
| 2 | 14 |
| 3 | 7 |
| 4 | 190 |
| 5 | 95 |
| 6 | 2566 |
| 7 | 1283 |
| 8 | 34642 |
| 9 | 17321 |
| 10 | 467668 |
| 11 | 233834 |
| 12 | 116917 |
| 13 | 3156760 |
| 14 | 1578380 |
| 15 | 789190 |
| 16 | 394595 |
| 17 | 10654066 |
| 18 | 5327033 |
| 19 | 143829892 |
| 20 | 71914946 |
| 21 | 35957473 |
| 22 | 970851772 |
| 23 | 485425886 |
| 24 | 242712943 |
| 25 | 6553249462 |
[1,28,14,7,190,95,2566,1283,34642,17321,467668, 233834,116917,3156760,1578380,789190,394595, 10654066,5327033,143829892,71914946,35957473, 970851772,485425886,242712943,6553249462] |