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A123121 formatted as a simple table:

n a(n)
1 1
2 3
3 7
4 15
5 31
6 63
7 127
8 255
9 511
10 1024
11 2050
12 4102
13 8206
14 16414
15 32830
16 65662
17 131326
18 262654
19 525310
20 1050622
21 2101246
22 4202494
23 8404990
24 16809982
25 33619966
26 67239934
27 134479870
28 268959742
29 537919486
30 1075838974
31 2151677950

[1,3,7,15,31,63,127,255,511,1024,2050,4102,8206,
 16414,32830,65662,131326,262654,525310,1050622,
 2101246,4202494,8404990,16809982,33619966,
 67239934,134479870,268959742,537919486,1075838974,
 2151677950]

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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