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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 11 |
| 3 | 445 |
| 4 | 62915 |
| 5 | 33191761 |
| 6 | 68513225711 |
| 7 | 562467034238845 |
| 8 | 18442237738757867675 |
| 9 | 2417685596975700938954281 |
| 10 | 1267626420876674359067163133991 |
| 11 | 2658442047280176152683906485150512245 |
| 12 | 22300713296975051923525143874710129389413715 |
[1,1,11,445,62915,33191761,68513225711, 562467034238845,18442237738757867675, 2417685596975700938954281, 1267626420876674359067163133991, 2658442047280176152683906485150512245, 22300713296975051923525143874710129389413715] |