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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 64 |
| 3 | 6084 |
| 4 | 241432 |
| 5 | 9813822 |
| 6 | 427111736 |
| 7 | 17171750212 |
| 8 | 715790653443 |
| 9 | 29106633773397 |
| 10 | 1188933525197424 |
| 11 | 48274598233923460 |
| 12 | 1956764393333783752 |
| 13 | 79158883562183764249 |
| 14 | 3196806065835373923009 |
| 15 | 128962574353107045861077 |
[13,64,6084,241432,9813822,427111736,17171750212, 715790653443,29106633773397,1188933525197424, 48274598233923460,1956764393333783752, 79158883562183764249,3196806065835373923009, 128962574353107045861077] |