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A057577 as a simple table

n a(n)
0 9
1 12
2 22
3 42
4 72
5 144
6 288
7 576
8 1152

[9,12,22,42,72,144,288,576,1152]

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Last modified March 28 13:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)