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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 60 |
| 3 | 177 |
| 4 | 352 |
| 5 | 585 |
| 6 | 876 |
| 7 | 1225 |
| 8 | 1632 |
| 9 | 2097 |
| 10 | 2620 |
| 11 | 3201 |
| 12 | 3840 |
| 13 | 4537 |
| 14 | 5292 |
| 15 | 6105 |
| 16 | 6976 |
| 17 | 7905 |
| 18 | 8892 |
| 19 | 9937 |
| 20 | 11040 |
| 21 | 12201 |
| 22 | 13420 |
| 23 | 14697 |
| 24 | 16032 |
| 25 | 17425 |
| 26 | 18876 |
| 27 | 20385 |
| 28 | 21952 |
| 29 | 23577 |
| 30 | 25260 |
| 31 | 27001 |
| 32 | 28800 |
| 33 | 30657 |
| 34 | 32572 |
| 35 | 34545 |
| 36 | 36576 |
| 37 | 38665 |
| 38 | 40812 |
| 39 | 43017 |
| 40 | 45280 |
[0,1,60,177,352,585,876,1225,1632,2097,2620,3201, 3840,4537,5292,6105,6976,7905,8892,9937,11040, 12201,13420,14697,16032,17425,18876,20385,21952, 23577,25260,27001,28800,30657,32572,34545,36576, 38665,40812,43017,45280] |