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A121971 as a simple table

n a(n)
1 2
2 27
3 330
4 3059
5 175197
6 1304498
7 70115412
8 514272411
9 27788566029
10 11091501630949
11 81744303089590
12 32781729631790293
13 1784546064357412171
14 13169525310647352914
15 717466145742128063267 

[2,27,330,3059,175197,1304498,70115412,514272411,
 27788566029,11091501630949,81744303089590,
 32781729631790293,1784546064357412171,
 13169525310647352914,717466145742128063267]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)