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A016191 as a simple table

n a(n)
0 1
1 21
2 333
3 4725
4 63261
5 818181
6 10349613
7 128978325
8 1590786621
9 19476859941
10 237209103693
11 2877890303925
12 34817113183581
13 420347224031301
14 5067043480830573
15 61010412902061525
16 733977975013590141

[1,21,333,4725,63261,818181,10349613,128978325,
 1590786621,19476859941,237209103693,2877890303925,
 34817113183581,420347224031301,5067043480830573,
 61010412902061525,733977975013590141]

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Last modified June 8 04:13 EDT 2024. Contains 373207 sequences. (Running on oeis4.)