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A197339 as a simple table

n a(n)
1 1
2 18
3 103
4 681
5 4005
6 25336
7 159818
8 998934
9 6247167
10 39159520
11 245281909
12 1536123953
13 9621537368
14 60265981592
15 377473012241
16 2364297523481
17 14808808584343
18 92755034615479
19 580971270750017
20 3638915917088053

[1,18,103,681,4005,25336,159818,998934,6247167,
 39159520,245281909,1536123953,9621537368,
 60265981592,377473012241,2364297523481,
 14808808584343,92755034615479,580971270750017,
 3638915917088053]

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Last modified April 16 14:51 EDT 2024. Contains 371749 sequences. (Running on oeis4.)