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| n | a(n) |
|---|---|
| 2 | 1 |
| 3 | 4 |
| 4 | 13 |
| 5 | 26 |
| 6 | 49 |
| 7 | 78 |
| 8 | 121 |
| 9 | 188 |
| 10 | 264 |
| 11 | 370 |
| 12 | 498 |
| 13 | 638 |
| 14 | 804 |
| 15 | 1012 |
| 16 | 1265 |
| 17 | 1534 |
| 18 | 1854 |
| 19 | 2210 |
| 20 | 2585 |
| 21 | 3020 |
| 22 | 3497 |
| 23 | 4040 |
| 24 | 4675 |
| 25 | 5358 |
| 26 | 6066 |
| 27 | 6826 |
| 28 | 7613 |
| 29 | 8456 |
| 30 | 9502 |
| 31 | 10608 |
| 32 | 11807 |
| 33 | 13038 |
| 34 | 14434 |
| 35 | 15864 |
| 36 | 17399 |
| 37 | 19042 |
| 38 | 20759 |
| 39 | 22590 |
| 40 | 24538 |
| 41 | 26526 |
| 42 | 28719 |
[1,4,13,26,49,78,121,188,264,370,498,638,804,1012, 1265,1534,1854,2210,2585,3020,3497,4040,4675,5358, 6066,6826,7613,8456,9502,10608,11807,13038,14434, 15864,17399,19042,20759,22590,24538,26526,28719] |