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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 361 |
| 3 | 16451 |
| 4 | 514655 |
| 5 | 20993054 |
| 6 | 849467774 |
| 7 | 34271733937 |
| 8 | 1383359844850 |
| 9 | 55869034107773 |
| 10 | 2256277862917399 |
| 11 | 91119808168300632 |
| 12 | 3679882775189443109 |
| 13 | 148612776964178660961 |
| 14 | 6001755395115442008533 |
| 15 | 242382043501326104374522 |
[0,361,16451,514655,20993054,849467774, 34271733937,1383359844850,55869034107773, 2256277862917399,91119808168300632, 3679882775189443109,148612776964178660961, 6001755395115442008533,242382043501326104374522] |