A074726 - cp's OEIS frontend

A074726 Numbers k such that sigma(F(k)) > 2*F(k) where F(k) is the k-th Fibonacci number.

n	a(n)
1	12
2	18
3	24
4	30
5	36
6	40
7	42
8	48
9	54
10	60
11	72
12	80
13	84
14	90
15	96
16	108
17	120
18	126
19	132
20	140
21	144
22	150
23	156
24	160
25	162
26	168
27	180
28	192
29	198
30	200
31	204
32	210
33	216
34	225
35	228
36	234
37	240
38	252
39	264
40	270
41	276
42	280
43	288
44	294
45	300
46	306
47	312
48	315
49	320

[12, 18, 24, 30, 36, 40, 42, 48, 54, 60, 72, 80, 84, 90, 96, 108, 120, 126, 132, 140, 144, 150, 156, 160, 162, 168, 180, 192, 198, 200, 204, 210, 216, 225, 228, 234, 240, 252, 264, 270, 276, 280, 288, 294, 300, 306, 312, 315, 320]

cp's OEIS Frontend

A074726 Numbers k such that sigma(F(k)) > 2*F(k) where F(k) is the k-th Fibonacci number.

Table of values

List of values

n	a(n)
1	12
2	18
3	24
4	30
5	36
6	40
7	42
8	48
9	54
10	60
11	72
12	80
13	84
14	90
15	96
16	108
17	120
18	126
19	132
20	140
21	144
22	150
23	156
24	160
25	162
26	168
27	180
28	192
29	198
30	200
31	204
32	210
33	216
34	225
35	228
36	234
37	240
38	252
39	264
40	270
41	276
42	280
43	288
44	294
45	300
46	306
47	312
48	315
49	320

n	a(n)
1	12
2	18
3	24
4	30
5	36
6	40
7	42
8	48
9	54
10	60
11	72
12	80
13	84
14	90
15	96
16	108
17	120
18	126
19	132
20	140
21	144
22	150
23	156
24	160
25	162
26	168
27	180
28	192
29	198
30	200
31	204
32	210
33	216
34	225
35	228
36	234
37	240
38	252
39	264
40	270
41	276
42	280
43	288
44	294
45	300
46	306
47	312
48	315
49	320

n	a(n)
1	12
2	18
3	24
4	30
5	36
6	40
7	42
8	48
9	54
10	60
11	72
12	80
13	84
14	90
15	96
16	108
17	120
18	126
19	132
20	140
21	144
22	150
23	156
24	160
25	162
26	168
27	180
28	192
29	198
30	200
31	204
32	210
33	216
34	225
35	228
36	234
37	240
38	252
39	264
40	270
41	276
42	280
43	288
44	294
45	300
46	306
47	312
48	315
49	320