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A263221 as a simple table

na(n)
113
21920
3198892
422342751
53126162435
6456363243352
766317081173996
89651690803653879
91408397535551222617
10205625917583136780312
1130019612862946349286716
124382688566369987885721551

[13,1920,198892,22342751,3126162435,456363243352,
 66317081173996,9651690803653879,
 1408397535551222617,205625917583136780312,
 30019612862946349286716,4382688566369987885721551]