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A075457 as a simple table

n a(n)
1 1
2 198
3 1070
4 2574
5 10769
6 66908
7 1036663
8 6436241
9 12745650
10 2253183029
11 81422343214
12 278747505724
13 352663623088
14 537668537432
15 807810573770
16 3169762558125
17 3623176921864
18 4225712901909
19 4395991005975
20 15435175116616
21 1361811565229752

[1,198,1070,2574,10769,66908,1036663,6436241,
 12745650,2253183029,81422343214,278747505724,
 352663623088,537668537432,807810573770,
 3169762558125,3623176921864,4225712901909,
 4395991005975,15435175116616,1361811565229752]

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Last modified June 25 12:01 EDT 2019. Contains 324352 sequences. (Running on oeis4.)