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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 19 |
| 4 | 40 |
| 5 | 85 |
| 6 | 140 |
| 7 | 231 |
| 8 | 336 |
| 9 | 489 |
| 10 | 660 |
| 11 | 891 |
| 12 | 1144 |
| 13 | 1469 |
| 14 | 1820 |
| 15 | 2255 |
| 16 | 2720 |
| 17 | 3281 |
| 18 | 3876 |
| 19 | 4579 |
| 20 | 5320 |
| 21 | 6181 |
| 22 | 7084 |
| 23 | 8119 |
| 24 | 9200 |
| 25 | 10425 |
| 26 | 11700 |
| 27 | 13131 |
| 28 | 14616 |
| 29 | 16269 |
| 30 | 17980 |
| 31 | 19871 |
| 32 | 21824 |
| 33 | 23969 |
| 34 | 26180 |
| 35 | 28595 |
| 36 | 31080 |
| 37 | 33781 |
| 38 | 36556 |
| 39 | 39559 |
| 40 | 42640 |
| 41 | 45961 |
| 42 | 49364 |
| 43 | 53019 |
| 44 | 56760 |
| 45 | 60765 |
[1,4,19,40,85,140,231,336,489,660,891,1144,1469, 1820,2255,2720,3281,3876,4579,5320,6181,7084,8119, 9200,10425,11700,13131,14616,16269,17980,19871, 21824,23969,26180,28595,31080,33781,36556,39559, 42640,45961,49364,53019,56760,60765] |