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A165343 as a simple table

na(n)
01
13
2656
358910976
47213311014731776
53024546589156405495726080000
69172616430046109813423337553212211200000000

[1,3,656,58910976,7213311014731776,
 3024546589156405495726080000,
 9172616430046109813423337553212211200000000]