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A269994 as a simple table

n a(n)
1 2
2 7
3 57
4 3391
5 10010183
6 588972486242552
7 961457184347597076119863109462
8 2244227167765735741796211572067153905745156229769919746729015

[2,7,57,3391,10010183,588972486242552,
 961457184347597076119863109462,
 22442271677657357417962115720671539057451562297699\
 19746729015]

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Last modified February 28 00:28 EST 2020. Contains 332319 sequences. (Running on oeis4.)