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A261502 as a simple table

n a(n)
0 1
1 1
2 9
3 109
4 1641
5 27151
6 478341
7 8782075
8 166237161
9 3220837534
10 63562741159
11 1273237637706
12 25820645555109
13 529080420540114
14 10937268142896643
15 227824992158991334
16 4777204094770874857
17 100757627271124231383
18 2136117417348870713646
19 45496022230420668679932

[1,1,9,109,1641,27151,478341,8782075,166237161,
 3220837534,63562741159,1273237637706,
 25820645555109,529080420540114,10937268142896643,
 227824992158991334,4777204094770874857,
 100757627271124231383,2136117417348870713646,
 45496022230420668679932]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)