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A283864 as a simple table

n a(n)
0 1
1 3
2 7
3 15
4 29
5 63
6 119
7 255
8 477
9 1023
10 1915
11 4091
12 7647
13 16383
14 30647
15 65535
16 122367
17 262143
18 490367
19 1048575
20 1957631
21 4194303
22 7847935
23 16777215
24 31326207
25 67108863
26 125566975
27 268435455
28 501219327
29 1073741823
30 2009071615
31 4294967295
32 8019509247

[1,3,7,15,29,63,119,255,477,1023,1915,4091,7647,
 16383,30647,65535,122367,262143,490367,1048575,
 1957631,4194303,7847935,16777215,31326207,
 67108863,125566975,268435455,501219327,1073741823,
 2009071615,4294967295,8019509247]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)