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A239770 as a simple table

n a(n)
0 1
1 1
2 10
3 213
4 7720
5 420865
6 31879296
7 3175850965

[1,1,10,213,7720,420865,31879296,3175850965]

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Last modified October 4 06:54 EDT 2022. Contains 357237 sequences. (Running on oeis4.)