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A090878 as a simple table

n a(n)
1 2
2 5
3 26
4 103
5 2194
6 1223
7 472730
8 556403
9 21323986
10 7281587
11 125858034202
12 180451625
13 121437725363954
14 595953719897
15 26649932810926
16 3211211914492699
17 285050975993898158530
18 549689343118061
19 640611888918574971191834

[2,5,26,103,2194,1223,472730,556403,21323986,
 7281587,125858034202,180451625,121437725363954,
 595953719897,26649932810926,3211211914492699,
 285050975993898158530,549689343118061,
 640611888918574971191834]

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)