A304122 - cp's OEIS frontend

A304122 Squarefree numbers of the form 2^k + 5^m, where k is a positive integer and m is a nonnegative integer.

n	a(n)
1	3
2	5
3	7
4	13
5	17
6	21
7	29
8	33
9	37
10	41
11	57
12	65
13	69
14	89
15	127
16	129
17	133
18	141
19	157
20	253
21	257
22	281
23	381
24	517
25	537
26	627
27	629
28	633
29	641
30	689
31	753
32	881
33	1049
34	1137
35	1149
36	1649
37	2049
38	2053
39	2073
40	2173
41	3127
42	3129
43	3133
44	3157
45	3189
46	3253
47	3637
48	4097
49	4101
50	4121

[3, 5, 7, 13, 17, 21, 29, 33, 37, 41, 57, 65, 69, 89, 127, 129, 133, 141, 157, 253, 257, 281, 381, 517, 537, 627, 629, 633, 641, 689, 753, 881, 1049, 1137, 1149, 1649, 2049, 2053, 2073, 2173, 3127, 3129, 3133, 3157, 3189, 3253, 3637, 4097, 4101, 4121]

cp's OEIS Frontend

A304122 Squarefree numbers of the form 2^k + 5^m, where k is a positive integer and m is a nonnegative integer.

Table of values

List of values