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A001339 as a simple table

n a(n)
0 1
1 3
2 11
3 49
4 261
5 1631
6 11743
7 95901
8 876809
9 8877691
10 98641011
11 1193556233
12 15624736141
13 220048367319
14 3317652307271
15 53319412081141
16 909984632851473
17 16436597430879731
18 313262209859119579
19 6282647653285676001
20 132266266384961600021
21 2916471173788403280463

[1,3,11,49,261,1631,11743,95901,876809,8877691,
 98641011,1193556233,15624736141,220048367319,
 3317652307271,53319412081141,909984632851473,
 16436597430879731,313262209859119579,
 6282647653285676001,132266266384961600021,
 2916471173788403280463]

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Last modified April 24 10:11 EDT 2024. Contains 371935 sequences. (Running on oeis4.)