A076554 - OEIS

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A076554 as a simple table

n	a(n)
1	11
2	115
3	5591
4	502855
5	73213571
6	15658809595
7	4619488631951
8	1797261609272335
9	891557677006596731
10	549227657514325603075
11	411352737726238344243911
12	368106640606171635113513815

[11,115,5591,502855,73213571,15658809595, 4619488631951,1797261609272335,891557677006596731, 549227657514325603075,411352737726238344243911, 368106640606171635113513815]