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A221771 as a simple table

n a(n)
1 21
2 2127
3 225873
4 23965217
5 2541024755
6 269350655878
7 28548644230368
8 3025789208683568
9 320691065003362685
10 33988597488799369041
11 3602292346906129492849 

[21,2127,225873,23965217,2541024755,269350655878,
 28548644230368,3025789208683568,
 320691065003362685,33988597488799369041,
 3602292346906129492849]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)