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A187761 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 23
5 106
6 568
7 3459
8 23544
9 176850
10 1451253
11 12904312
12 123489888
13 1264591561
14 13790277294
15 159466823794
16 1948259002647
17 25066729706582
18 338670605492700
19 4792623436607059
20 70873649458154500
21 1092969062435462254
22 17543703470388927229
23 292600906102204630092

[1,1,2,6,23,106,568,3459,23544,176850,1451253,
 12904312,123489888,1264591561,13790277294,
 159466823794,1948259002647,25066729706582,
 338670605492700,4792623436607059,
 70873649458154500,1092969062435462254,
 17543703470388927229,292600906102204630092]

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)