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A012987 as a simple table

n a(n)
0 2
1 7
2 281
3 26177
4 5040953
5 1583032653
6 746492313069
7 491286421003617
8 430704974221071057
9 485015732780851752021
10 682312690169782121262933
11 1172627483603034267343876041
12 2417509824116710251212901804537 

[2,7,281,26177,5040953,1583032653,746492313069,
 491286421003617,430704974221071057,
 485015732780851752021,682312690169782121262933,
 1172627483603034267343876041,
 2417509824116710251212901804537]

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Last modified May 29 04:26 EDT 2024. Contains 372921 sequences. (Running on oeis4.)