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A252826 as a simple table

n a(n)
1 26
2 339
3 3891
4 36292
5 271846
6 1679072
7 8807722
8 40232545
9 163307844
10 598768118
11 2009666884
12 6242686351
13 18111918515
14 49456857086
15 127928520595
16 315195592486
17 743219906659
18 1684034391078
19 3679765581966
20 7778027858175
21 15947032415637

[26,339,3891,36292,271846,1679072,8807722,
 40232545,163307844,598768118,2009666884,
 6242686351,18111918515,49456857086,127928520595,
 315195592486,743219906659,1684034391078,
 3679765581966,7778027858175,15947032415637]

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Last modified January 22 02:46 EST 2022. Contains 350481 sequences. (Running on oeis4.)