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A216143 as a simple table

n a(n)
0 1
1 1
2 1
3 17
4 65
5 1457
6 10657
7 307841
8 3403521
9 121414689
10 1810995009
11 77157569073
12 1453708980033
13 72128854709329
14 1644987113677793
15 93235988902015009
16 2498605538747794433
17 159345372352540823361
18 4909485778021467744897
19 348042700926255242296657

[1,1,1,17,65,1457,10657,307841,3403521,121414689,
 1810995009,77157569073,1453708980033,
 72128854709329,1644987113677793,93235988902015009,
 2498605538747794433,159345372352540823361,
 4909485778021467744897,348042700926255242296657]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)