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A232218 as a simple table

n a(n)
1 1
2 2
3 4
4 12
5 27
6 103
7 391
8 1383
9 6260
10 32704
11 149045
12 812696
13 5034682
14 27895385
15 173642918
16 1221049609
17 7859267162
18 54735567331
19 426299653269
20 3100614554854
21 23801458978807
22 202181105885405
23 1629802507466471
24 13634143960693703
25 124940706768934047

[1,2,4,12,27,103,391,1383,6260,32704,149045,
 812696,5034682,27895385,173642918,1221049609,
 7859267162,54735567331,426299653269,3100614554854,
 23801458978807,202181105885405,1629802507466471,
 13634143960693703,124940706768934047]

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Last modified December 7 02:57 EST 2021. Contains 349567 sequences. (Running on oeis4.)