A140578 - cp's OEIS frontend

A140578 A positive integer n is included if n is the smallest integer in a run of a plural number of consecutive integers all with the same number of divisors.

n	a(n)
1	2
2	14
3	21
4	26
5	33
6	38
7	44
8	57
9	75
10	85
11	93
12	98
13	104
14	116
15	118
16	122
17	133
18	135
19	141
20	145
21	147
22	158
23	171
24	177
25	189
26	201
27	205
28	213
29	217
30	230
31	242
32	253
33	285
34	296
35	298
36	301
37	326
38	332
39	334
40	344
41	374
42	381
43	387
44	393
45	429
46	434
47	445
48	453
49	481
50	501
51	507
52	514
53	526
54	537
55	542

[2, 14, 21, 26, 33, 38, 44, 57, 75, 85, 93, 98, 104, 116, 118, 122, 133, 135, 141, 145, 147, 158, 171, 177, 189, 201, 205, 213, 217, 230, 242, 253, 285, 296, 298, 301, 326, 332, 334, 344, 374, 381, 387, 393, 429, 434, 445, 453, 481, 501, 507, 514, 526, 537, 542]

cp's OEIS Frontend

A140578 A positive integer n is included if n is the smallest integer in a run of a plural number of consecutive integers all with the same number of divisors.

Table of values

List of values

n	a(n)
1	2
2	14
3	21
4	26
5	33
6	38
7	44
8	57
9	75
10	85
11	93
12	98
13	104
14	116
15	118
16	122
17	133
18	135
19	141
20	145
21	147
22	158
23	171
24	177
25	189
26	201
27	205
28	213
29	217
30	230
31	242
32	253
33	285
34	296
35	298
36	301
37	326
38	332
39	334
40	344
41	374
42	381
43	387
44	393
45	429
46	434
47	445
48	453
49	481
50	501
51	507
52	514
53	526
54	537
55	542

n	a(n)
1	2
2	14
3	21
4	26
5	33
6	38
7	44
8	57
9	75
10	85
11	93
12	98
13	104
14	116
15	118
16	122
17	133
18	135
19	141
20	145
21	147
22	158
23	171
24	177
25	189
26	201
27	205
28	213
29	217
30	230
31	242
32	253
33	285
34	296
35	298
36	301
37	326
38	332
39	334
40	344
41	374
42	381
43	387
44	393
45	429
46	434
47	445
48	453
49	481
50	501
51	507
52	514
53	526
54	537
55	542

n	a(n)
1	2
2	14
3	21
4	26
5	33
6	38
7	44
8	57
9	75
10	85
11	93
12	98
13	104
14	116
15	118
16	122
17	133
18	135
19	141
20	145
21	147
22	158
23	171
24	177
25	189
26	201
27	205
28	213
29	217
30	230
31	242
32	253
33	285
34	296
35	298
36	301
37	326
38	332
39	334
40	344
41	374
42	381
43	387
44	393
45	429
46	434
47	445
48	453
49	481
50	501
51	507
52	514
53	526
54	537
55	542