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A238937 as a simple table

n a(n)
1 1
2 1
3 2
4 3
5 10
6 26
7 105
8 278
9 1011
10 3804
11 17065
12 78012
13 406795
14 2192844
15 13318687
16 79804728
17 533838106

[1,1,2,3,10,26,105,278,1011,3804,17065,78012,
 406795,2192844,13318687,79804728,533838106]

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Last modified January 26 23:05 EST 2020. Contains 331289 sequences. (Running on oeis4.)