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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 4 |
| 3 | 13 |
| 4 | 29 |
| 5 | 54 |
| 6 | 90 |
| 7 | 139 |
| 8 | 203 |
| 9 | 284 |
| 10 | 384 |
| 11 | 505 |
| 12 | 649 |
| 13 | 818 |
| 14 | 1014 |
| 15 | 1239 |
| 16 | 1495 |
| 17 | 1784 |
| 18 | 2108 |
| 19 | 2469 |
| 20 | 2869 |
| 21 | 3310 |
| 22 | 3794 |
| 23 | 4323 |
| 24 | 4899 |
| 25 | 5524 |
| 26 | 6200 |
| 27 | 6929 |
| 28 | 7713 |
| 29 | 8554 |
| 30 | 9454 |
| 31 | 10415 |
| 32 | 11439 |
| 33 | 12528 |
| 34 | 13684 |
| 35 | 14909 |
| 36 | 16205 |
| 37 | 17574 |
| 38 | 19018 |
| 39 | 20539 |
| 40 | 22139 |
| 41 | 23820 |
| 42 | 25584 |
[0,4,13,29,54,90,139,203,284,384,505,649,818,1014, 1239,1495,1784,2108,2469,2869,3310,3794,4323,4899, 5524,6200,6929,7713,8554,9454,10415,11439,12528, 13684,14909,16205,17574,19018,20539,22139,23820, 25584] |