A076275 - cp's OEIS frontend

A076275 Numbers of the form (4^{mr}-1)/(4^r-1) for positive integers m, r.

n	a(n)
1	1
2	5
3	17
4	21
5	65
6	85
7	257
8	273
9	341
10	1025
11	1365
12	4097
13	4161
14	4369
15	5461
16	16385
17	21845
18	65537
19	65793
20	69905
21	87381
22	262145
23	266305
24	349525
25	1048577
26	1049601
27	1118481
28	1398101
29	4194305
30	5592405
31	16777217
32	16781313
33	16843009
34	17043521
35	17895697
36	22369621

[1, 5, 17, 21, 65, 85, 257, 273, 341, 1025, 1365, 4097, 4161, 4369, 5461, 16385, 21845, 65537, 65793, 69905, 87381, 262145, 266305, 349525, 1048577, 1049601, 1118481, 1398101, 4194305, 5592405, 16777217, 16781313, 16843009, 17043521, 17895697, 22369621]

cp's OEIS Frontend

A076275 Numbers of the form (4^{mr}-1)/(4^r-1) for positive integers m, r.

Table of values

List of values