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A213435 as a simple table

na(n)
01
11
22
36
432
5620
6259960
762059718088
83840971361624607057216
914752998887519276350335088653216965113845136

[1,1,2,6,32,620,259960,62059718088,
 3840971361624607057216,
 14752998887519276350335088653216965113845136]