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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 6 |
| 3 | 10 |
| 4 | 9 |
| 5 | 15 |
| 6 | 25 |
| 7 | 10 |
| 8 | 51 |
| 9 | 146 |
| 10 | 422 |
| 11 | 14 |
| 12 | 69 |
| 13 | 201 |
| 14 | 551 |
| 15 | 973 |
| 16 | 15 |
| 17 | 77 |
| 18 | 221 |
| 19 | 667 |
| 20 | 1858 |
| 21 | 2831 |
| 22 | 21 |
| 23 | 85 |
| 24 | 249 |
| 25 | 1191 |
| 26 | 89855 |
| 27 | 312493 |
| 28 | 127418369 |
| 29 | 22 |
| 30 | 95 |
| 31 | 302 |
| 32 | 1343 |
| 33 | 110099 |
| 34 | 2676567 |
| 35 | 154171217 |
[4,6,10,9,15,25,10,51,146,422,14,69,201,551,973, 15,77,221,667,1858,2831,21,85,249,1191,89855, 312493,127418369,22,95,302,1343,110099,2676567, 154171217] |