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A191996 as a simple table

n a(n)
2 2
3 3
4 45
5 175
6 693
7 11011
8 2807805
9 302307005
10 402243205
11 714186915
12 42803602439
13 11086133031701
14 5908908905896633
15 1488200914442251997
16 3041106216468949733
17 16213234917387714257
18 21611220383343195817
19 77778782159652161745383
20 67745319261057032880228593

[2,3,45,175,693,11011,2807805,302307005,402243205,
 714186915,42803602439,11086133031701,
 5908908905896633,1488200914442251997,
 3041106216468949733,16213234917387714257,
 21611220383343195817,77778782159652161745383,
 67745319261057032880228593]

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Last modified July 27 20:56 EDT 2024. Contains 374651 sequences. (Running on oeis4.)