A328738 - cp's OEIS frontend

A328738 Numbers k such that at least one of sopfr(k-1) and sopfr(k+1) is greater than or equal to 4*sopfr(k).

n	a(n)
1	48
2	54
3	60
4	66
5	70
6	72
7	78
8	80
9	84
10	88
11	90
12	96
13	98
14	100
15	102
16	104
17	108
18	110
19	112
20	114
21	126
22	128
23	130
24	132
25	135
26	136
27	138
28	140
29	147
30	150
31	152
32	156
33	162
34	165
35	168
36	174
37	180
38	182
39	190
40	192
41	195
42	196
43	198
44	200
45	210
46	222
47	224
48	225
49	228
50	230
51	232
52	234

[48, 54, 60, 66, 70, 72, 78, 80, 84, 88, 90, 96, 98, 100, 102, 104, 108, 110, 112, 114, 126, 128, 130, 132, 135, 136, 138, 140, 147, 150, 152, 156, 162, 165, 168, 174, 180, 182, 190, 192, 195, 196, 198, 200, 210, 222, 224, 225, 228, 230, 232, 234]

cp's OEIS Frontend

A328738 Numbers k such that at least one of sopfr(k-1) and sopfr(k+1) is greater than or equal to 4*sopfr(k).

Table of values

List of values

n	a(n)
1	48
2	54
3	60
4	66
5	70
6	72
7	78
8	80
9	84
10	88
11	90
12	96
13	98
14	100
15	102
16	104
17	108
18	110
19	112
20	114
21	126
22	128
23	130
24	132
25	135
26	136
27	138
28	140
29	147
30	150
31	152
32	156
33	162
34	165
35	168
36	174
37	180
38	182
39	190
40	192
41	195
42	196
43	198
44	200
45	210
46	222
47	224
48	225
49	228
50	230
51	232
52	234

n	a(n)
1	48
2	54
3	60
4	66
5	70
6	72
7	78
8	80
9	84
10	88
11	90
12	96
13	98
14	100
15	102
16	104
17	108
18	110
19	112
20	114
21	126
22	128
23	130
24	132
25	135
26	136
27	138
28	140
29	147
30	150
31	152
32	156
33	162
34	165
35	168
36	174
37	180
38	182
39	190
40	192
41	195
42	196
43	198
44	200
45	210
46	222
47	224
48	225
49	228
50	230
51	232
52	234

n	a(n)
1	48
2	54
3	60
4	66
5	70
6	72
7	78
8	80
9	84
10	88
11	90
12	96
13	98
14	100
15	102
16	104
17	108
18	110
19	112
20	114
21	126
22	128
23	130
24	132
25	135
26	136
27	138
28	140
29	147
30	150
31	152
32	156
33	162
34	165
35	168
36	174
37	180
38	182
39	190
40	192
41	195
42	196
43	198
44	200
45	210
46	222
47	224
48	225
49	228
50	230
51	232
52	234