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A171312 as a simple table

n a(n)
1 7
2 48
3 319
4 1897
5 12970
6 87237
7 581303
8 3899879
9 25916198
10 172441114
11 1153047367
12 7693977737
13 51259291732
14 341879045181 

[7,48,319,1897,12970,87237,581303,3899879,
 25916198,172441114,1153047367,7693977737,
 51259291732,341879045181]

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Last modified April 24 14:54 EDT 2024. Contains 371960 sequences. (Running on oeis4.)