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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 28 |
| 4 | 32 |
| 5 | 44 |
| 6 | 47 |
| 7 | 71 |
| 8 | 128 |
| 9 | 137 |
| 10 | 193 |
| 11 | 676 |
| 12 | 2344 |
| 13 | 7828 |
| 14 | 10883 |
| 15 | 21596 |
| 16 | 31724 |
| 17 | 47783 |
| 18 | 49816 |
| 19 | 61300 |
| 20 | 212396 |
| 21 | 415412 |
| 22 | 2382772 |
| 23 | 2841992 |
| 24 | 4091044 |
[1,4,28,32,44,47,71,128,137,193,676,2344,7828, 10883,21596,31724,47783,49816,61300,212396,415412, 2382772,2841992,4091044] |