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A250995 as a simple table

n a(n)
1 40
2 169
3 646
4 2359
5 8298
6 28450
7 95628
8 316568
9 1035294
10 3352547
11 10768211
12 34351193
13 108947285
14 343813542
15 1080310949
16 3381653079
17 10550153029
18 32817177900
19 101810982442
20 315106120063
21 973171192417
22 2999712678334

[40,169,646,2359,8298,28450,95628,316568,1035294,
 3352547,10768211,34351193,108947285,343813542,
 1080310949,3381653079,10550153029,32817177900,
 101810982442,315106120063,973171192417,
 2999712678334]

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Last modified May 7 04:13 EDT 2024. Contains 372300 sequences. (Running on oeis4.)