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A054941 as a simple table

n a(n)
1 1
2 2
3 20
4 624
5 55248
6 13982208
7 10358360640
8 22792648882176
9 149888345786341632
10 2952810709943411146752
11 174416705255313941476193280
12 30901060796613886817249881227264
13 16422801513633911416125344647746244608
14 26183660776604240464418800095675915958222848

[1,2,20,624,55248,13982208,10358360640,
 22792648882176,149888345786341632,
 2952810709943411146752,
 174416705255313941476193280,
 30901060796613886817249881227264,
 16422801513633911416125344647746244608,
 26183660776604240464418800095675915958222848]

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)