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A166860 as a simple table

n a(n)
0 1
1 1
2 3
3 16
4 191
5 9586
6 3621062
7 13539455808
8 596242050871827
9 358279069210950329112
10 3339667708892016201497713938
11 540966002417189385158099747634890008
12 1685909333511453301447626182908204645875878754
13 110859993072493750180447848516163015805399916591746521402

[1,1,3,16,191,9586,3621062,13539455808,
 596242050871827,358279069210950329112,
 3339667708892016201497713938,
 540966002417189385158099747634890008,
 1685909333511453301447626182908204645875878754,
 11085999307249375018044784851616301580539991659174\
 6521402]

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Last modified February 21 23:41 EST 2020. Contains 332113 sequences. (Running on oeis4.)