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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 9 |
| 6 | 10 |
| 7 | 27 |
| 8 | 57 |
| 9 | 69 |
| 10 | 70 |
| 11 | 267 |
| 12 | 429 |
| 13 | 1059 |
| 14 | 1227 |
| 15 | 1479 |
| 16 | 2547 |
| 17 | 2787 |
| 18 | 3249 |
| 19 | 3459 |
| 20 | 3537 |
| 21 | 4089 |
| 22 | 4719 |
| 23 | 5097 |
| 24 | 6267 |
| 25 | 6357 |
| 26 | 6567 |
| 27 | 6957 |
| 28 | 8997 |
| 29 | 9039 |
| 30 | 10089 |
| 31 | 12039 |
| 32 | 12819 |
| 33 | 13719 |
| 34 | 16689 |
| 35 | 16977 |
| 36 | 17289 |
| 37 | 17919 |
| 38 | 18909 |
| 39 | 19377 |
| 40 | 19419 |
| 41 | 19749 |
[1,2,3,4,9,10,27,57,69,70,267,429,1059,1227,1479, 2547,2787,3249,3459,3537,4089,4719,5097,6267,6357, 6567,6957,8997,9039,10089,12039,12819,13719,16689, 16977,17289,17919,18909,19377,19419,19749] |