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A254240 as a simple table

n a(n)
1 514920
2 2228050
3 13376848
4 80104299
5 249684274
6 940766774
7 3047978749
8 8696762202
9 26336306288
10 78716251434
11 225295831770
12 651870318928
13 1860285741290
14 5237337951769
15 14747905907768
16 41414839936846

[514920,2228050,13376848,80104299,249684274,
 940766774,3047978749,8696762202,26336306288,
 78716251434,225295831770,651870318928,
 1860285741290,5237337951769,14747905907768,
 41414839936846]

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Last modified February 22 17:14 EST 2020. Contains 332140 sequences. (Running on oeis4.)