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A193647 as a simple table

n a(n)
1 1
2 15
3 43
4 267
5 1065
6 5377
7 23801
8 113191
9 517371
10 2416835
11 11155313
12 51830017
13 239940625
14 1112996767
15 5157111051
16 23910123931
17 110818577241
18 513715752705
19 2381164556233
20 11037736722167
21 51163163871835
22 237160332965907

[1,15,43,267,1065,5377,23801,113191,517371,
 2416835,11155313,51830017,239940625,1112996767,
 5157111051,23910123931,110818577241,513715752705,
 2381164556233,11037736722167,51163163871835,
 237160332965907]

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Last modified April 16 04:38 EDT 2024. Contains 371696 sequences. (Running on oeis4.)