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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 25 |
| 3 | 124 |
| 4 | 380 |
| 5 | 905 |
| 6 | 1841 |
| 7 | 3360 |
| 8 | 5664 |
| 9 | 8985 |
| 10 | 13585 |
| 11 | 19756 |
| 12 | 27820 |
| 13 | 38129 |
| 14 | 51065 |
| 15 | 67040 |
| 16 | 86496 |
| 17 | 109905 |
| 18 | 137769 |
| 19 | 170620 |
| 20 | 209020 |
| 21 | 253561 |
| 22 | 304865 |
| 23 | 363584 |
| 24 | 430400 |
| 25 | 506025 |
| 26 | 591201 |
| 27 | 686700 |
| 28 | 793324 |
| 29 | 911905 |
| 30 | 1043305 |
| 31 | 1188416 |
| 32 | 1348160 |
| 33 | 1523489 |
[0,1,25,124,380,905,1841,3360,5664,8985,13585, 19756,27820,38129,51065,67040,86496,109905,137769, 170620,209020,253561,304865,363584,430400,506025, 591201,686700,793324,911905,1043305,1188416, 1348160,1523489] |