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A026795 as a simple table

n a(n)
0 1
1 27
2 475
3 6915
4 90571
5 1110147
6 13011355
7 147722355
8 1638222091
9 17846324067
10 191730867835
11 2037261517395
12 21455455896811
13 224319716510787
14 2331201129229915
15 24104752246858035
16 248186422724438731

[1,27,475,6915,90571,1110147,13011355,147722355,
 1638222091,17846324067,191730867835,2037261517395,
 21455455896811,224319716510787,2331201129229915,
 24104752246858035,248186422724438731]

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Last modified May 28 09:09 EDT 2022. Contains 354112 sequences. (Running on oeis4.)