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A267413 as a simple table

n a(n)
1 6
2 7
3 11
4 15
5 35
6 39
7 63
8 135
9 255
10 999
11 2175
12 8223
13 16383
14 57735
15 131075
16 131079
17 262143
18 524295
19 1048575
20 536870919
21 1073735679
22 2147483655
23 4294967295
24 17179770879
25 4260641103903
26 4611686018427387903
27 4720069647059686260735
28 1237940039285380274899124223

[6,7,11,15,35,39,63,135,255,999,2175,8223,16383,
 57735,131075,131079,262143,524295,1048575,
 536870919,1073735679,2147483655,4294967295,
 17179770879,4260641103903,4611686018427387903,
 4720069647059686260735,
 1237940039285380274899124223]

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)