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A241955 as a simple table

n a(n)
0 7
1 127
2 2047
3 32767
4 524287
5 8388607
6 134217727
7 2147483647
8 34359738367
9 549755813887
10 8796093022207
11 140737488355327
12 2251799813685247
13 36028797018963967
14 576460752303423487
15 9223372036854775807
16 147573952589676412927
17 2361183241434822606847
18 37778931862957161709567

[7,127,2047,32767,524287,8388607,134217727,
 2147483647,34359738367,549755813887,8796093022207,
 140737488355327,2251799813685247,
 36028797018963967,576460752303423487,
 9223372036854775807,147573952589676412927,
 2361183241434822606847,37778931862957161709567]

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Last modified May 13 21:51 EDT 2024. Contains 372523 sequences. (Running on oeis4.)