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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 17 |
| 4 | 31 |
| 5 | 177 |
| 6 | 274 |
| 7 | 280 |
| 8 | 301 |
| 9 | 313 |
| 10 | 1777 |
| 11 | 2764 |
| 12 | 3001 |
| 13 | 27259 |
| 14 | 30001 |
| 15 | 177237 |
| 16 | 300001 |
| 17 | 312208 |
| 18 | 1762122 |
| 19 | 3000001 |
| 20 | 27515125 |
| 21 | 30000001 |
| 22 | 30122098 |
| 23 | 300000001 |
| 24 | 303758458 |
| 25 | 2673533185 |
| 26 | 2817818390 |
| 27 | 3000000001 |
| 28 | 3121001208 |
| 29 | 26928832879 |
| 30 | 28255878334 |
| 31 | 30000000001 |
[0,1,17,31,177,274,280,301,313,1777,2764,3001, 27259,30001,177237,300001,312208,1762122,3000001, 27515125,30000001,30122098,300000001,303758458, 2673533185,2817818390,3000000001,3121001208, 26928832879,28255878334,30000000001] |