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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 216 |
| 4 | 968 |
| 5 | 2754 |
| 6 | 5428 |
| 7 | 9237 |
| 8 | 14040 |
| 9 | 19837 |
| 10 | 26628 |
| 11 | 34413 |
| 12 | 43192 |
| 13 | 52965 |
| 14 | 63732 |
| 15 | 75493 |
| 16 | 88248 |
| 17 | 101997 |
| 18 | 116740 |
| 19 | 132477 |
| 20 | 149208 |
| 21 | 166933 |
| 22 | 185652 |
| 23 | 205365 |
| 24 | 226072 |
| 25 | 247773 |
| 26 | 270468 |
| 27 | 294157 |
| 28 | 318840 |
| 29 | 344517 |
| 30 | 371188 |
| 31 | 398853 |
| 32 | 427512 |
| 33 | 457165 |
| 34 | 487812 |
[0,0,216,968,2754,5428,9237,14040,19837,26628, 34413,43192,52965,63732,75493,88248,101997,116740, 132477,149208,166933,185652,205365,226072,247773, 270468,294157,318840,344517,371188,398853,427512, 457165,487812] |