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A069139 as a simple table

n a(n)
0 2
1 5
2 141
3 68575
4 32089377154
5 1644444237306316731482
6 65593236350142721999718859354569312622907814
7 55836140966941396682452590821074724094286247680248793718758259857815239633935672711970868

[2,5,141,68575,32089377154,1644444237306316731482,
 65593236350142721999718859354569312622907814,
 55836140966941396682452590821074724094286247680248\
 793718758259857815239633935672711970868]

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Last modified February 25 20:04 EST 2020. Contains 332258 sequences. (Running on oeis4.)