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A146659 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 19
8 31
9 777
10 1691
11 27963
12 75639
13 2292715
14 7576569
15 826036495
16 3496134625
17 778953197867
18 4202373389229
19 1495755903085789
20 10132125701626967
21 6580332072056181975
22 55813749926331270805

[1,1,1,1,1,1,19,31,777,1691,27963,75639,2292715,
 7576569,826036495,3496134625,778953197867,
 4202373389229,1495755903085789,10132125701626967,
 6580332072056181975,55813749926331270805]

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Last modified September 27 04:03 EDT 2022. Contains 357052 sequences. (Running on oeis4.)