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A375722 as a simple table

na(n)
01
19
2117
31962
440122
5966276
626755812
7836862192
829167596504
91120629465432
1047044646845848
112142210019297680
12105154320625284240
135534780654854980000
14310945503593770489440
1518570787974013838515200
161174884522886771261079040

[1,9,117,1962,40122,966276,26755812,836862192,
 29167596504,1120629465432,47044646845848,
 2142210019297680,105154320625284240,
 5534780654854980000,310945503593770489440,
 18570787974013838515200,1174884522886771261079040]