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A078485 formatted as a simple table:

n a(n)
0 0
1 1
2 1
3 1
4 7
5 15
6 31
7 63
8 127
9 255
10 511
11 1023
12 2047
13 4095
14 8191
15 16383
16 32767
17 65535
18 131071
19 262143
20 524287
21 1048575
22 2097151
23 4194303
24 8388607
25 16777215
26 33554431
27 67108863
28 134217727
29 268435455
30 536870911
31 1073741823
32 2147483647
33 4294967295
34 8589934591

[0,1,1,1,7,15,31,63,127,255,511,1023,2047,4095,
 8191,16383,32767,65535,131071,262143,524287,
 1048575,2097151,4194303,8388607,16777215,33554431,
 67108863,134217727,268435455,536870911,1073741823,
 2147483647,4294967295,8589934591]

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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