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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 16 |
| 3 | 43 |
| 4 | 92 |
| 5 | 167 |
| 6 | 275 |
| 7 | 422 |
| 8 | 615 |
| 9 | 858 |
| 10 | 1158 |
| 11 | 1521 |
| 12 | 1954 |
| 13 | 2461 |
| 14 | 3049 |
| 15 | 3724 |
| 16 | 4493 |
| 17 | 5360 |
| 18 | 6332 |
| 19 | 7415 |
| 20 | 8616 |
| 21 | 9939 |
| 22 | 11391 |
| 23 | 12978 |
| 24 | 14707 |
| 25 | 16582 |
| 26 | 18610 |
| 27 | 20797 |
| 28 | 23150 |
| 29 | 25673 |
| 30 | 28373 |
| 31 | 31256 |
| 32 | 34329 |
| 33 | 37596 |
| 34 | 41064 |
| 35 | 44739 |
| 36 | 48628 |
| 37 | 52735 |
| 38 | 57067 |
| 39 | 61630 |
[4,16,43,92,167,275,422,615,858,1158,1521,1954, 2461,3049,3724,4493,5360,6332,7415,8616,9939, 11391,12978,14707,16582,18610,20797,23150,25673, 28373,31256,34329,37596,41064,44739,48628,52735, 57067,61630] |