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A278960 as a simple table
| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 6 |
| 3 | 7 |
| 4 | 9 |
| 5 | 43 |
| 6 | 53 |
| 7 | 67 |
| 8 | 69 |
| 9 | 123 |
| 10 | 178 |
| 11 | 201 |
| 12 | 448 |
| 13 | 649 |
| 14 | 658 |
| 15 | 1068 |
| 16 | 2003 |
| 17 | 2584 |
| 18 | 4445 |
| 19 | 4816 |
| 20 | 6322 |
| 21 | 8477 |
| 22 | 8868 |
| 23 | 14500 |
| 24 | 24934 |
| 25 | 33412 |
| 26 | 42504 |
| 27 | 87287 |
| 28 | 87337 |
[4,6,7,9,43,53,67,69,123,178,201,448,649,658,1068, 2003,2584,4445,4816,6322,8477,8868,14500,24934, 33412,42504,87287,87337] |