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A221063 as a simple table

n a(n)
1 1
2 8
3 37
4 172
5 771
6 3392
7 14569
8 61210
9 252491
10 1028162
11 4152903
12 16695976
13 66953537
14 268144582
15 1073206163
16 4293994258
17 17178121515
18 68716367280
19 274872418553
20 1099502006098
21 4398029741851
22 17592156966114
23 70368693978927

[1,8,37,172,771,3392,14569,61210,252491,1028162,
 4152903,16695976,66953537,268144582,1073206163,
 4293994258,17178121515,68716367280,274872418553,
 1099502006098,4398029741851,17592156966114,
 70368693978927]

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