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A272435 as a simple table

n a(n)
1 1
2 4
3 22
4 113
5 571
6 2816
7 13616
8 64678
9 302574
10 1397318
11 6382660
12 28882214
13 129640058
14 577812724
15 2559491834
16 11276000877
17 49437494408
18 215815377168 

[1,4,22,113,571,2816,13616,64678,302574,1397318,
 6382660,28882214,129640058,577812724,2559491834,
 11276000877,49437494408,215815377168]

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)