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A052918 as a simple table

n a(n)
0 1
1 5
2 26
3 135
4 701
5 3640
6 18901
7 98145
8 509626
9 2646275
10 13741001
11 71351280
12 370497401
13 1923838285
14 9989688826
15 51872282415
16 269351100901
17 1398627786920
18 7262490035501
19 37711077964425
20 195817879857626 

[1,5,26,135,701,3640,18901,98145,509626,2646275,
 13741001,71351280,370497401,1923838285,9989688826,
 51872282415,269351100901,1398627786920,
 7262490035501,37711077964425,195817879857626]

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)