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A133762 as a simple table

n a(n)
1 9
2 21
3 49
4 51
5 57
6 141
7 1011
8 2661
9 21471
10 64869
11 357561
12 1750989
13 5409570201
14 107563623099
15 657637783581

[9,21,49,51,57,141,1011,2661,21471,64869,357561,
 1750989,5409570201,107563623099,657637783581]

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Last modified September 25 15:27 EDT 2021. Contains 347658 sequences. (Running on oeis4.)