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A051357 as a simple table

na(n)
11
26
3180
437800
587318000
62622159540000
71338638666765400000
812984380089637682726000000
92896722619368127899492763620000000
1018740906719713843949122453226304292600000000

[1,6,180,37800,87318000,2622159540000,
 1338638666765400000,12984380089637682726000000,
 2896722619368127899492763620000000,
 18740906719713843949122453226304292600000000]