The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| -1 | 0 |
| 0 | 1 |
| 1 | 2 |
| 2 | 9 |
| 3 | 28 |
| 4 | 65 |
| 5 | 126 |
| 6 | 217 |
| 7 | 344 |
| 8 | 513 |
| 9 | 730 |
| 10 | 1001 |
| 11 | 1332 |
| 12 | 1729 |
| 13 | 2198 |
| 14 | 2745 |
| 15 | 3376 |
| 16 | 4097 |
| 17 | 4914 |
| 18 | 5833 |
| 19 | 6860 |
| 20 | 8001 |
| 21 | 9262 |
| 22 | 10649 |
| 23 | 12168 |
| 24 | 13825 |
| 25 | 15626 |
| 26 | 17577 |
| 27 | 19684 |
| 28 | 21953 |
| 29 | 24390 |
| 30 | 27001 |
| 31 | 29792 |
| 32 | 32769 |
| 33 | 35938 |
| 34 | 39305 |
| 35 | 42876 |
| 36 | 46657 |
| 37 | 50654 |
| 38 | 54873 |
| 39 | 59320 |
[0,1,2,9,28,65,126,217,344,513,730,1001,1332,1729, 2198,2745,3376,4097,4914,5833,6860,8001,9262, 10649,12168,13825,15626,17577,19684,21953,24390, 27001,29792,32769,35938,39305,42876,46657,50654, 54873,59320] |