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| n | a(n) |
|---|---|
| 1 | 25 |
| 2 | 340 |
| 3 | 4616 |
| 4 | 62696 |
| 5 | 851496 |
| 6 | 11564952 |
| 7 | 157071768 |
| 8 | 2133318088 |
| 9 | 28974227016 |
| 10 | 393521606584 |
| 11 | 5344722135352 |
| 12 | 72590826767208 |
| 13 | 985912408928360 |
| 14 | 13390442524046040 |
| 15 | 181866003973693912 |
| 16 | 2470063509346243592 |
[25,340,4616,62696,851496,11564952,157071768, 2133318088,28974227016,393521606584,5344722135352, 72590826767208,985912408928360,13390442524046040, 181866003973693912,2470063509346243592] |