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A164808 as a simple table

n a(n)
1 -1
2 0
3 3
4 11
5 7
6 15
7 14
8 17
9 23
10 17
11 27
12 43
13 37
14 47
15 57
16 117
17 127
18 143
19 137
20 147
21 157
22 243
23 237
24 247
25 257
26 357
27 447
28 457

[-1,0,3,11,7,15,14,17,23,17,27,43,37,47,57,117,
 127,143,137,147,157,243,237,247,257,357,447,457]

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)