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A025188 as a simple table

n a(n)
1 2
2 10
3 60
4 343
5 1968
6 11319
7 65351
8 378690
9 2201772
10 12839896
11 75076505
12 440016174
13 2584289200
14 15206283135
15 89625150180
16 529040216175
17 3127061645796
18 18506252646420
19 109644576096980
20 650280444390382

[2,10,60,343,1968,11319,65351,378690,2201772,
 12839896,75076505,440016174,2584289200,
 15206283135,89625150180,529040216175,
 3127061645796,18506252646420,109644576096980,
 650280444390382]

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Last modified April 24 05:49 EDT 2024. Contains 371918 sequences. (Running on oeis4.)