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A143960 as a simple table

n a(n)
1 2
2 10
3 38
4 142
5 542
6 2110
7 8318
8 33022
9 131582
10 525310
11 2099198
12 8392702
13 33562622
14 134234110
15 536903678
16 2147549182
17 8590065662
18 34360000510
19 137439477758
20 549756862462
21 2199025352702
22 8796097216510
23 35184380477438
24 140737505132542
25 562949986975742

[2,10,38,142,542,2110,8318,33022,131582,525310,
 2099198,8392702,33562622,134234110,536903678,
 2147549182,8590065662,34360000510,137439477758,
 549756862462,2199025352702,8796097216510,
 35184380477438,140737505132542,562949986975742]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)