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A203361 as a simple table

n a(n)
1 21
2 1640
3 89610
4 5390325
5 314688054
6 18550312526
7 1089970014327
8 64114204398028
9 3769915844080995
10 221699388876599524
11 13037021233036033635
12 766652822812020772883
13 45083423150083817466414
14 2651159090798112000786121

[21,1640,89610,5390325,314688054,18550312526,
 1089970014327,64114204398028,3769915844080995,
 221699388876599524,13037021233036033635,
 766652822812020772883,45083423150083817466414,
 2651159090798112000786121]

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Last modified March 29 05:48 EDT 2024. Contains 371265 sequences. (Running on oeis4.)