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A320309
as a simple table
n
a(n)
0
38
1
145
2
78285806
3
956422831811259761822
4
37816270981051548637992987104427146105734001128733588866
[38,145,78285806,956422831811259761822, 37816270981051548637992987104427146105734001128733\ 588866]