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A006239 as a simple table

n a(n)
1 1
2 13
3 108
4 793
5 5611
6 39312
7 274933
8 1923025
9 13455396
10 94169413
11 659134543
12 4613813568
13 32296413241
14 226074381637
15 1582520088348
16 11077641280225
17 77543496352291
18 542804506787088
19 3799631657379853
20 26597421924762793

[1,13,108,793,5611,39312,274933,1923025,13455396,
 94169413,659134543,4613813568,32296413241,
 226074381637,1582520088348,11077641280225,
 77543496352291,542804506787088,3799631657379853,
 26597421924762793]

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Last modified May 14 09:04 EDT 2024. Contains 372530 sequences. (Running on oeis4.)