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A197716 as a simple table

n a(n)
1 3
2 21
3 255
4 4633
5 110409
6 3243618
7 113177497
8 4570858600
9 209655304353
10 10763674952098
11 611433842280388
12 38071427445729201
13 2578294348444597267
14 188670154792420320215
15 14834716200104606205408
16 1247263229999781126495328
17 111661618863544248806155260

[3,21,255,4633,110409,3243618,113177497,
 4570858600,209655304353,10763674952098,
 611433842280388,38071427445729201,
 2578294348444597267,188670154792420320215,
 14834716200104606205408,1247263229999781126495328,
 111661618863544248806155260]

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Last modified April 24 06:34 EDT 2024. Contains 371920 sequences. (Running on oeis4.)