A045920 - cp's OEIS frontend

A045920 Numbers m such that the factorizations of m..m+1 have the same number of primes (including multiplicities).

n	a(n)
1	2
2	9
3	14
4	21
5	25
6	27
7	33
8	34
9	38
10	44
11	57
12	75
13	85
14	86
15	93
16	94
17	98
18	116
19	118
20	121
21	122
22	124
23	133
24	135
25	141
26	142
27	145
28	147
29	153
30	158
31	164
32	170
33	171
34	174
35	177
36	201
37	202
38	205
39	213
40	214
41	217
42	218
43	230
44	244
45	245
46	253
47	284
48	285
49	296
50	298
51	301
52	302
53	326
54	332
55	334
56	350
57	356
58	361

[2, 9, 14, 21, 25, 27, 33, 34, 38, 44, 57, 75, 85, 86, 93, 94, 98, 116, 118, 121, 122, 124, 133, 135, 141, 142, 145, 147, 153, 158, 164, 170, 171, 174, 177, 201, 202, 205, 213, 214, 217, 218, 230, 244, 245, 253, 284, 285, 296, 298, 301, 302, 326, 332, 334, 350, 356, 361]

cp's OEIS Frontend

A045920 Numbers m such that the factorizations of m..m+1 have the same number of primes (including multiplicities).

Table of values

List of values

n	a(n)
1	2
2	9
3	14
4	21
5	25
6	27
7	33
8	34
9	38
10	44
11	57
12	75
13	85
14	86
15	93
16	94
17	98
18	116
19	118
20	121
21	122
22	124
23	133
24	135
25	141
26	142
27	145
28	147
29	153
30	158
31	164
32	170
33	171
34	174
35	177
36	201
37	202
38	205
39	213
40	214
41	217
42	218
43	230
44	244
45	245
46	253
47	284
48	285
49	296
50	298
51	301
52	302
53	326
54	332
55	334
56	350
57	356
58	361

n	a(n)
1	2
2	9
3	14
4	21
5	25
6	27
7	33
8	34
9	38
10	44
11	57
12	75
13	85
14	86
15	93
16	94
17	98
18	116
19	118
20	121
21	122
22	124
23	133
24	135
25	141
26	142
27	145
28	147
29	153
30	158
31	164
32	170
33	171
34	174
35	177
36	201
37	202
38	205
39	213
40	214
41	217
42	218
43	230
44	244
45	245
46	253
47	284
48	285
49	296
50	298
51	301
52	302
53	326
54	332
55	334
56	350
57	356
58	361

n	a(n)
1	2
2	9
3	14
4	21
5	25
6	27
7	33
8	34
9	38
10	44
11	57
12	75
13	85
14	86
15	93
16	94
17	98
18	116
19	118
20	121
21	122
22	124
23	133
24	135
25	141
26	142
27	145
28	147
29	153
30	158
31	164
32	170
33	171
34	174
35	177
36	201
37	202
38	205
39	213
40	214
41	217
42	218
43	230
44	244
45	245
46	253
47	284
48	285
49	296
50	298
51	301
52	302
53	326
54	332
55	334
56	350
57	356
58	361