A207006 - cp's OEIS frontend

A207006 Numbers n such that omega(n) = omega(n + omega(n)) where omega(n) is the number of distinct primes dividing n.

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	10
8	12
9	16
10	18
11	20
12	22
13	24
14	26
15	31
16	33
17	34
18	36
19	38
20	44
21	46
22	48
23	50
24	52
25	54
26	55
27	56
28	63
29	72
30	74
31	75
32	80
33	85
34	86
35	91
36	92
37	93
38	94
39	96
40	98
41	102
42	104
43	106
44	115
45	116
46	117
47	122
48	127
49	133
50	134
51	141
52	142
53	143
54	144
55	145
56	146
57	153
58	158
59	159
60	160
61	162

[1, 2, 3, 4, 7, 8, 10, 12, 16, 18, 20, 22, 24, 26, 31, 33, 34, 36, 38, 44, 46, 48, 50, 52, 54, 55, 56, 63, 72, 74, 75, 80, 85, 86, 91, 92, 93, 94, 96, 98, 102, 104, 106, 115, 116, 117, 122, 127, 133, 134, 141, 142, 143, 144, 145, 146, 153, 158, 159, 160, 162]

cp's OEIS Frontend

A207006 Numbers n such that omega(n) = omega(n + omega(n)) where omega(n) is the number of distinct primes dividing n.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	10
8	12
9	16
10	18
11	20
12	22
13	24
14	26
15	31
16	33
17	34
18	36
19	38
20	44
21	46
22	48
23	50
24	52
25	54
26	55
27	56
28	63
29	72
30	74
31	75
32	80
33	85
34	86
35	91
36	92
37	93
38	94
39	96
40	98
41	102
42	104
43	106
44	115
45	116
46	117
47	122
48	127
49	133
50	134
51	141
52	142
53	143
54	144
55	145
56	146
57	153
58	158
59	159
60	160
61	162

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	10
8	12
9	16
10	18
11	20
12	22
13	24
14	26
15	31
16	33
17	34
18	36
19	38
20	44
21	46
22	48
23	50
24	52
25	54
26	55
27	56
28	63
29	72
30	74
31	75
32	80
33	85
34	86
35	91
36	92
37	93
38	94
39	96
40	98
41	102
42	104
43	106
44	115
45	116
46	117
47	122
48	127
49	133
50	134
51	141
52	142
53	143
54	144
55	145
56	146
57	153
58	158
59	159
60	160
61	162

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	10
8	12
9	16
10	18
11	20
12	22
13	24
14	26
15	31
16	33
17	34
18	36
19	38
20	44
21	46
22	48
23	50
24	52
25	54
26	55
27	56
28	63
29	72
30	74
31	75
32	80
33	85
34	86
35	91
36	92
37	93
38	94
39	96
40	98
41	102
42	104
43	106
44	115
45	116
46	117
47	122
48	127
49	133
50	134
51	141
52	142
53	143
54	144
55	145
56	146
57	153
58	158
59	159
60	160
61	162