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A251183 as a simple table

n a(n)
0 1
1 2
2 20
3 662
4 80744
5 38724842
6 75185316860
7 593940189201662
8 19026394370724334544
9 2460515237682283759296722
10 1280059938187721964276628432100
11 2672755638642586172344574379667166822
12 22366135140308331991861876017552822964355384
13 749476887752252949738787898479359344347670538150842

[1,2,20,662,80744,38724842,75185316860,
 593940189201662,19026394370724334544,
 2460515237682283759296722,
 1280059938187721964276628432100,
 2672755638642586172344574379667166822,
 22366135140308331991861876017552822964355384,
 74947688775225294973878789847935934434767053815084\
 2]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)