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A020501 as a simple table

n a(n)
0 -2
1 -3
2 -1
3 3
4 5
5 11
6 7
7 43
8 17
9 57
10 31
11 683
12 13
13 2731
14 127
15 331
16 257
17 43691
18 73
19 174763
20 205
21 5419
22 2047
23 2796203
24 241
25 1016801
26 8191
27 261633
28 3277
29 178956971
30 151
31 715827883
32 65537
33 1397419
34 131071
35 24214051

[-2,-3,-1,3,5,11,7,43,17,57,31,683,13,2731,127,
 331,257,43691,73,174763,205,5419,2047,2796203,241,
 1016801,8191,261633,3277,178956971,151,715827883,
 65537,1397419,131071,24214051]

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Last modified April 24 16:34 EDT 2024. Contains 371961 sequences. (Running on oeis4.)