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A191870 as a simple table

n a(n)
0 1
1 4
2 46
3 960
4 29218
5 1171380
6 58329766
7 3472396928
8 240584307106
9 19018858710852
10 1689457066042590

[1,4,46,960,29218,1171380,58329766,3472396928,
 240584307106,19018858710852,1689457066042590]

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Last modified July 17 05:50 EDT 2024. Contains 374360 sequences. (Running on oeis4.)