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A199921 as a simple table

n a(n)
1 7
2 31
3 93
4 215
5 389
6 573
7 691
8 691
9 573
10 389
11 215
12 93
13 31
14 7
15 1 

[7,31,93,215,389,573,691,691,573,389,215,93,31,7,
 1]

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Last modified July 16 03:21 EDT 2024. Contains 374343 sequences. (Running on oeis4.)