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A176903 as a simple table

n a(n)
1 3
2 7
3 13
4 61
5 2521
6 55441
7 4324321
8 367567201
9 6064949221531201
10 9200527969062830401
11 37188534050951960476801
12 8201519488959040182625924708238885435575055666675808001

[3,7,13,61,2521,55441,4324321,367567201,
 6064949221531201,9200527969062830401,
 37188534050951960476801,
 82015194889590401826259247082388854355750556666758\
 08001]

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Last modified April 20 03:02 EDT 2021. Contains 343121 sequences. (Running on oeis4.)