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A341782 as a simple table

na(n)
01
11
22
3112
42312
51270016
6292820000
71522266730496
83772667519238272
9193509323594243571712
105041011532336819845120512
112610531939025273190037188509696

[1,1,2,112,2312,1270016,292820000,1522266730496,
 3772667519238272,193509323594243571712,
 5041011532336819845120512,
 2610531939025273190037188509696]