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A306193 as a simple table

n a(n)
0 2
1 4
2 18
3 392
4 81250
5 225061452
6 9854913828914
7 7821195286733052688
8 128042318400630042200896962
9 48734103316428964151516768659332500
10 480771737247108575104717059364582638896056402
11 135700420467061659867201490569546772642393389614560348824

[2,4,18,392,81250,225061452,9854913828914,
 7821195286733052688,128042318400630042200896962,
 48734103316428964151516768659332500,
 480771737247108575104717059364582638896056402,
 13570042046706165986720149056954677264239338961456\
 0348824]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)