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A229871 as a simple table

na(n)
12432
2384183
315106048
4266515625
52805425280
620610104767
7116211580928
8535021318017
92098414000000
107227967108439
1122362655260672
1263219695614153
13165498794685056
14405459218109375
15937601561264128
162060839403682497

[2432,384183,15106048,266515625,2805425280,
 20610104767,116211580928,535021318017,
 2098414000000,7227967108439,22362655260672,
 63219695614153,165498794685056,405459218109375,
 937601561264128,2060839403682497]