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A190657 as a simple table

n a(n)
1 1
2 1
3 3
4 10
5 42
6 244
7 2031
8 22714
9 342292
10 6943430
11 188479666
12 6843502049
13 331910774405
14 21483424837024
15 1854744805774187
16 213498320443922663
17 32758157589935274374

[1,1,3,10,42,244,2031,22714,342292,6943430,
 188479666,6843502049,331910774405,21483424837024,
 1854744805774187,213498320443922663,
 32758157589935274374]

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Last modified April 18 22:08 EDT 2019. Contains 322237 sequences. (Running on oeis4.)