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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 5 |
| 6 | 7 |
| 7 | 10 |
| 8 | 13 |
| 9 | 22 |
| 10 | 23 |
| 11 | 28 |
| 12 | 34 |
| 13 | 40 |
| 14 | 61 |
| 15 | 73 |
| 16 | 361 |
| 17 | 490 |
| 18 | 613 |
| 19 | 1624 |
| 20 | 2000 |
| 21 | 2994 |
| 22 | 4301 |
| 23 | 4332 |
| 24 | 18668 |
| 25 | 32544 |
| 26 | 34936 |
| 27 | 267598 |
| 28 | 270658 |
| 29 | 293134 |
| 30 | 319889 |
| 31 | 414508 |
[0,1,2,4,5,7,10,13,22,23,28,34,40,61,73,361,490, 613,1624,2000,2994,4301,4332,18668,32544,34936, 267598,270658,293134,319889,414508] |