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| n | a(n) |
|---|---|
| 1 | 80 |
| 2 | 256 |
| 3 | 808 |
| 4 | 2580 |
| 5 | 8184 |
| 6 | 26164 |
| 7 | 83224 |
| 8 | 266572 |
| 9 | 849688 |
| 10 | 2726852 |
| 11 | 8707160 |
| 12 | 27993324 |
| 13 | 89526552 |
| 14 | 288291140 |
| 15 | 923287256 |
| 16 | 2977443116 |
| 17 | 9547498136 |
| 18 | 30828553348 |
| 19 | 98964094552 |
| 20 | 319913934828 |
| 21 | 1027967064600 |
| 22 | 3326345126596 |
| 23 | 10697524464088 |
[80,256,808,2580,8184,26164,83224,266572,849688, 2726852,8707160,27993324,89526552,288291140, 923287256,2977443116,9547498136,30828553348, 98964094552,319913934828,1027967064600, 3326345126596,10697524464088] |