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A280485 as a simple table

na(n)
10
24446
3149057
42886700
548481917
6767741328
711437392975
8164847196124
92309124917462
1031632356050545
11425475246875021

[0,4446,149057,2886700,48481917,767741328,
 11437392975,164847196124,2309124917462,
 31632356050545,425475246875021]