A115661 - cp's OEIS frontend

A115661 Numbers n which have the same number of distinct prime divisors as the reverse of n.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	15
14	16
15	17
16	21
17	22
18	23
19	26
20	28
21	31
22	32
23	33
24	36
25	37
26	39
27	44
28	45
29	51
30	54
31	55
32	56
33	57
34	58
35	61
36	62
37	63
38	65
39	66
40	68
41	69
42	71
43	73
44	75
45	77
46	79
47	82
48	85
49	86
50	88
51	93
52	96
53	97
54	99
55	101
56	107
57	108
58	111
59	113
60	115
61	116
62	117
63	121
64	122
65	123
66	125
67	128

[1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 15, 16, 17, 21, 22, 23, 26, 28, 31, 32, 33, 36, 37, 39, 44, 45, 51, 54, 55, 56, 57, 58, 61, 62, 63, 65, 66, 68, 69, 71, 73, 75, 77, 79, 82, 85, 86, 88, 93, 96, 97, 99, 101, 107, 108, 111, 113, 115, 116, 117, 121, 122, 123, 125, 128]

cp's OEIS Frontend

A115661 Numbers n which have the same number of distinct prime divisors as the reverse of n.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	15
14	16
15	17
16	21
17	22
18	23
19	26
20	28
21	31
22	32
23	33
24	36
25	37
26	39
27	44
28	45
29	51
30	54
31	55
32	56
33	57
34	58
35	61
36	62
37	63
38	65
39	66
40	68
41	69
42	71
43	73
44	75
45	77
46	79
47	82
48	85
49	86
50	88
51	93
52	96
53	97
54	99
55	101
56	107
57	108
58	111
59	113
60	115
61	116
62	117
63	121
64	122
65	123
66	125
67	128

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	15
14	16
15	17
16	21
17	22
18	23
19	26
20	28
21	31
22	32
23	33
24	36
25	37
26	39
27	44
28	45
29	51
30	54
31	55
32	56
33	57
34	58
35	61
36	62
37	63
38	65
39	66
40	68
41	69
42	71
43	73
44	75
45	77
46	79
47	82
48	85
49	86
50	88
51	93
52	96
53	97
54	99
55	101
56	107
57	108
58	111
59	113
60	115
61	116
62	117
63	121
64	122
65	123
66	125
67	128

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	15
14	16
15	17
16	21
17	22
18	23
19	26
20	28
21	31
22	32
23	33
24	36
25	37
26	39
27	44
28	45
29	51
30	54
31	55
32	56
33	57
34	58
35	61
36	62
37	63
38	65
39	66
40	68
41	69
42	71
43	73
44	75
45	77
46	79
47	82
48	85
49	86
50	88
51	93
52	96
53	97
54	99
55	101
56	107
57	108
58	111
59	113
60	115
61	116
62	117
63	121
64	122
65	123
66	125
67	128