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A221272 as a simple table

n a(n)
1 1
2 52
3 596
4 7252
5 94659
6 1250015
7 16474842
8 217194702
9 2863102280
10 37731750319
11 497133557199
12 6548899949298
13 86261110576994
14 1136131886838454 

[1,52,596,7252,94659,1250015,16474842,217194702,
 2863102280,37731750319,497133557199,6548899949298,
 86261110576994,1136131886838454]

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)