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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 10 |
| 5 | 13 |
| 6 | 25 |
| 7 | 115 |
| 8 | 179 |
| 9 | 181 |
| 10 | 238 |
| 11 | 785 |
| 12 | 799 |
| 13 | 1193 |
| 14 | 1730 |
| 15 | 1811 |
| 16 | 1871 |
| 17 | 2116 |
| 18 | 2180 |
| 19 | 17878 |
| 20 | 22093 |
| 21 | 30976 |
| 22 | 31631 |
| 23 | 43271 |
| 24 | 52763 |
| 25 | 66575 |
[1,2,4,10,13,25,115,179,181,238,785,799,1193,1730, 1811,1871,2116,2180,17878,22093,30976,31631,43271, 52763,66575] |