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A281338 as a simple table

n a(n)
1 2
2 8
3 25
4 85
5 286
6 969
7 3281
8 11114
9 37649
10 127541
11 432062
12 1463673
13 4958409
14 16797346
15 56903505
16 192769085
17 653033942
18 2212249593
19 7494324497
20 25388138778
21 86006095793
22 291358440197
23 987020046574
24 3343677195961
25 11327203768153

[2,8,25,85,286,969,3281,11114,37649,127541,432062,
 1463673,4958409,16797346,56903505,192769085,
 653033942,2212249593,7494324497,25388138778,
 86006095793,291358440197,987020046574,
 3343677195961,11327203768153]

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Last modified August 29 08:01 EDT 2024. Contains 375510 sequences. (Running on oeis4.)