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A183943 as a simple table

n a(n)
1 1
2 1
3 17
4 69
5 1417
6 9335
7 135793
8 1639099
9 23586625
10 323498939
11 4919390397
12 73971159473
13 1157160667507

[1,1,17,69,1417,9335,135793,1639099,23586625,
 323498939,4919390397,73971159473,1157160667507]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)