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A268701 as a simple table

n a(n)
0 1
1 1
2 1
3 5
4 7
5 27
6 195
7 421
8 1619
9 8675
10 105757
11 274029
12 1402193
13 6625987
14 55349787
15 975068069
16 3137395939
17 17960895375
18 101880880461
19 696011551909
20 7596647200175
21 197122787505191
22 723879298052695
23 4905597865756059
24 29537689035766501
25 227793692735075911

[1,1,1,5,7,27,195,421,1619,8675,105757,274029,
 1402193,6625987,55349787,975068069,3137395939,
 17960895375,101880880461,696011551909,
 7596647200175,197122787505191,723879298052695,
 4905597865756059,29537689035766501,
 227793692735075911]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)