A164119 - cp's OEIS frontend

A164119 Numbers k that are the smallest number that produces the ordered pair (d(k), d(k+1)), where d(k) is the number of divisors of k.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	11
10	12
11	14
12	15
13	16
14	20
15	23
16	24
17	27
18	30
19	35
20	36
21	39
22	44
23	47
24	48
25	49
26	54
27	59
28	60
29	63
30	64
31	80
32	81
33	84
34	95
35	99
36	104
37	111
38	112
39	119
40	120
41	143
42	144
43	152
44	153
45	167
46	169
47	175
48	176
49	179
50	180
51	191
52	192
53	195
54	210
55	216
56	224
57	225
58	239
59	240
60	252
61	260
62	272
63	275

[1, 2, 3, 4, 5, 6, 8, 9, 11, 12, 14, 15, 16, 20, 23, 24, 27, 30, 35, 36, 39, 44, 47, 48, 49, 54, 59, 60, 63, 64, 80, 81, 84, 95, 99, 104, 111, 112, 119, 120, 143, 144, 152, 153, 167, 169, 175, 176, 179, 180, 191, 192, 195, 210, 216, 224, 225, 239, 240, 252, 260, 272, 275]

cp's OEIS Frontend

A164119 Numbers k that are the smallest number that produces the ordered pair (d(k), d(k+1)), where d(k) is the number of divisors of k.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	11
10	12
11	14
12	15
13	16
14	20
15	23
16	24
17	27
18	30
19	35
20	36
21	39
22	44
23	47
24	48
25	49
26	54
27	59
28	60
29	63
30	64
31	80
32	81
33	84
34	95
35	99
36	104
37	111
38	112
39	119
40	120
41	143
42	144
43	152
44	153
45	167
46	169
47	175
48	176
49	179
50	180
51	191
52	192
53	195
54	210
55	216
56	224
57	225
58	239
59	240
60	252
61	260
62	272
63	275

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	11
10	12
11	14
12	15
13	16
14	20
15	23
16	24
17	27
18	30
19	35
20	36
21	39
22	44
23	47
24	48
25	49
26	54
27	59
28	60
29	63
30	64
31	80
32	81
33	84
34	95
35	99
36	104
37	111
38	112
39	119
40	120
41	143
42	144
43	152
44	153
45	167
46	169
47	175
48	176
49	179
50	180
51	191
52	192
53	195
54	210
55	216
56	224
57	225
58	239
59	240
60	252
61	260
62	272
63	275

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	11
10	12
11	14
12	15
13	16
14	20
15	23
16	24
17	27
18	30
19	35
20	36
21	39
22	44
23	47
24	48
25	49
26	54
27	59
28	60
29	63
30	64
31	80
32	81
33	84
34	95
35	99
36	104
37	111
38	112
39	119
40	120
41	143
42	144
43	152
44	153
45	167
46	169
47	175
48	176
49	179
50	180
51	191
52	192
53	195
54	210
55	216
56	224
57	225
58	239
59	240
60	252
61	260
62	272
63	275