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A237543 as a simple table

na(n)
1798208
263456608
35218152940
4426554989880
534922994091800
62865493204313080
7234602709527351272
819169751519441109328
91569705227172029388784
10128788752312253896979048
1110544141202553213000654384

[798208,63456608,5218152940,426554989880,
 34922994091800,2865493204313080,
 234602709527351272,19169751519441109328,
 1569705227172029388784,128788752312253896979048,
 10544141202553213000654384]