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A218587 as a simple table

n a(n)
1 7
2 57
3 449
4 3567
5 28305
6 224643
7 1782855
8 14149449
9 112295673
10 891223263
11 7073103393
12 56134970523
13 445509522567
14 3535741318617
15 28061053779825
16 222703718478543
17 1767465563243697
18 14027311885918707
19 111326343684867783

[7,57,449,3567,28305,224643,1782855,14149449,
 112295673,891223263,7073103393,56134970523,
 445509522567,3535741318617,28061053779825,
 222703718478543,1767465563243697,
 14027311885918707,111326343684867783]

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Last modified July 3 19:01 EDT 2024. Contains 373983 sequences. (Running on oeis4.)