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A053902 as a simple table

n a(n)
1 1
2 4
3 34
4 81
5 334
6 746
7 2581
8 3334
9 12869
10 33334
11 39581
12 81619
13 333334
14 1245454
15 1249666
16 3333334
17 12496666
18 33333334
19 333333334
20 2261749666
21 3333333334
22 3939100869
23 12851113246
24 22706069919
25 33333333334
26 78493000746

[1,4,34,81,334,746,2581,3334,12869,33334,39581,
 81619,333334,1245454,1249666,3333334,12496666,
 33333334,333333334,2261749666,3333333334,
 3939100869,12851113246,22706069919,33333333334,
 78493000746]

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Last modified August 15 03:10 EDT 2024. Contains 375172 sequences. (Running on oeis4.)