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A146798 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 9
7 49
8 253
9 1201
10 4573
11 30217
12 286533
13 2941009
14 37746461
15 678979449
16 14880214645
17 369497873441 

[1,1,1,1,1,9,49,253,1201,4573,30217,286533,
 2941009,37746461,678979449,14880214645,
 369497873441]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)