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A265677 as a simple table

n a(n)
1 1
2 1
3 4
4 23
5 209
6 2301
7 29992
8 450525
9 7666097
10 145748085
11 3062086652
12 70451319403
13 1761725152737
14 47575849111097
15 1379912569740752
16 42782608276446713
17 1411969570132526241
18 49423093937535984041

[1,1,4,23,209,2301,29992,450525,7666097,145748085,
 3062086652,70451319403,1761725152737,
 47575849111097,1379912569740752,42782608276446713,
 1411969570132526241,49423093937535984041]

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Last modified April 26 14:52 EDT 2024. Contains 372003 sequences. (Running on oeis4.)