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A007781 as a simple table

n a(n)
0 1
1 3
2 23
3 229
4 2869
5 43531
6 776887
7 15953673
8 370643273
9 9612579511
10 275311670611
11 8630788777645
12 293959006143997
13 10809131718965763
14 426781883555301359
15 18008850183328692241
16 808793517812627212561

[1,3,23,229,2869,43531,776887,15953673,370643273,
 9612579511,275311670611,8630788777645,
 293959006143997,10809131718965763,
 426781883555301359,18008850183328692241,
 808793517812627212561]

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Last modified March 28 13:25 EDT 2024. Contains 371254 sequences. (Running on oeis4.)