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| n | a(n) |
|---|---|
| 1 | 260 |
| 2 | 4730 |
| 3 | 38612 |
| 4 | 793252 |
| 5 | 5924312 |
| 6 | 126809722 |
| 7 | 925685972 |
| 8 | 20101505132 |
| 9 | 146575894280 |
| 10 | 3194747877980 |
| 11 | 23456317323896 |
| 12 | 510766808846456 |
| 13 | 3786696887418320 |
| 14 | 82210210212664250 |
| 15 | 615846898245378260 |
[260,4730,38612,793252,5924312,126809722, 925685972,20101505132,146575894280,3194747877980, 23456317323896,510766808846456,3786696887418320, 82210210212664250,615846898245378260] |