A074696 - cp's OEIS frontend

A074696 Numbers k such that 2^k+1 has more than k divisors (k such that A000005(2^k+1) > k).

n	a(n)
1	0
2	1
3	30
4	42
5	45
6	50
7	54
8	63
9	70
10	75
11	78
12	81
13	90
14	99
15	102
16	105
17	114
18	118
19	126
20	130
21	135
22	138
23	150
24	153
25	154
26	162
27	165
28	168
29	170
30	171
31	174
32	175
33	177
34	180
35	182
36	186
37	189
38	190
39	194
40	195
41	196
42	198
43	204
44	210
45	216
46	220
47	222
48	225
49	228
50	230
51	231
52	234
53	238

[0, 1, 30, 42, 45, 50, 54, 63, 70, 75, 78, 81, 90, 99, 102, 105, 114, 118, 126, 130, 135, 138, 150, 153, 154, 162, 165, 168, 170, 171, 174, 175, 177, 180, 182, 186, 189, 190, 194, 195, 196, 198, 204, 210, 216, 220, 222, 225, 228, 230, 231, 234, 238]

cp's OEIS Frontend

A074696 Numbers k such that 2^k+1 has more than k divisors (k such that A000005(2^k+1) > k).

Table of values

List of values

n	a(n)
1	0
2	1
3	30
4	42
5	45
6	50
7	54
8	63
9	70
10	75
11	78
12	81
13	90
14	99
15	102
16	105
17	114
18	118
19	126
20	130
21	135
22	138
23	150
24	153
25	154
26	162
27	165
28	168
29	170
30	171
31	174
32	175
33	177
34	180
35	182
36	186
37	189
38	190
39	194
40	195
41	196
42	198
43	204
44	210
45	216
46	220
47	222
48	225
49	228
50	230
51	231
52	234
53	238

n	a(n)
1	0
2	1
3	30
4	42
5	45
6	50
7	54
8	63
9	70
10	75
11	78
12	81
13	90
14	99
15	102
16	105
17	114
18	118
19	126
20	130
21	135
22	138
23	150
24	153
25	154
26	162
27	165
28	168
29	170
30	171
31	174
32	175
33	177
34	180
35	182
36	186
37	189
38	190
39	194
40	195
41	196
42	198
43	204
44	210
45	216
46	220
47	222
48	225
49	228
50	230
51	231
52	234
53	238

n	a(n)
1	0
2	1
3	30
4	42
5	45
6	50
7	54
8	63
9	70
10	75
11	78
12	81
13	90
14	99
15	102
16	105
17	114
18	118
19	126
20	130
21	135
22	138
23	150
24	153
25	154
26	162
27	165
28	168
29	170
30	171
31	174
32	175
33	177
34	180
35	182
36	186
37	189
38	190
39	194
40	195
41	196
42	198
43	204
44	210
45	216
46	220
47	222
48	225
49	228
50	230
51	231
52	234
53	238