A335652 - cp's OEIS frontend

A335652 Numbers k such that Omega(k+1) = Omega(k) + 2, where Omega(k) = A001222(k) is the number of prime factors of k with multiplicity.

n	a(n)
1	7
2	11
3	15
4	17
5	19
6	29
7	35
8	39
9	41
10	43
11	55
12	67
13	87
14	97
15	101
16	109
17	113
18	134
19	137
20	155
21	163
22	173
23	175
24	181
25	183
26	203
27	207
28	209
29	211
30	219
31	229
32	241
33	242
34	247
35	249
36	257
37	259
38	279
39	281
40	283
41	295
42	305
43	314
44	317
45	327
46	329
47	331
48	337
49	339
50	341
51	351
52	353
53	371
54	373
55	401
56	404
57	409
58	413
59	433
60	455

[7, 11, 15, 17, 19, 29, 35, 39, 41, 43, 55, 67, 87, 97, 101, 109, 113, 134, 137, 155, 163, 173, 175, 181, 183, 203, 207, 209, 211, 219, 229, 241, 242, 247, 249, 257, 259, 279, 281, 283, 295, 305, 314, 317, 327, 329, 331, 337, 339, 341, 351, 353, 371, 373, 401, 404, 409, 413, 433, 455]

cp's OEIS Frontend

A335652 Numbers k such that Omega(k+1) = Omega(k) + 2, where Omega(k) = A001222(k) is the number of prime factors of k with multiplicity.

Table of values

List of values

n	a(n)
1	7
2	11
3	15
4	17
5	19
6	29
7	35
8	39
9	41
10	43
11	55
12	67
13	87
14	97
15	101
16	109
17	113
18	134
19	137
20	155
21	163
22	173
23	175
24	181
25	183
26	203
27	207
28	209
29	211
30	219
31	229
32	241
33	242
34	247
35	249
36	257
37	259
38	279
39	281
40	283
41	295
42	305
43	314
44	317
45	327
46	329
47	331
48	337
49	339
50	341
51	351
52	353
53	371
54	373
55	401
56	404
57	409
58	413
59	433
60	455

n	a(n)
1	7
2	11
3	15
4	17
5	19
6	29
7	35
8	39
9	41
10	43
11	55
12	67
13	87
14	97
15	101
16	109
17	113
18	134
19	137
20	155
21	163
22	173
23	175
24	181
25	183
26	203
27	207
28	209
29	211
30	219
31	229
32	241
33	242
34	247
35	249
36	257
37	259
38	279
39	281
40	283
41	295
42	305
43	314
44	317
45	327
46	329
47	331
48	337
49	339
50	341
51	351
52	353
53	371
54	373
55	401
56	404
57	409
58	413
59	433
60	455

n	a(n)
1	7
2	11
3	15
4	17
5	19
6	29
7	35
8	39
9	41
10	43
11	55
12	67
13	87
14	97
15	101
16	109
17	113
18	134
19	137
20	155
21	163
22	173
23	175
24	181
25	183
26	203
27	207
28	209
29	211
30	219
31	229
32	241
33	242
34	247
35	249
36	257
37	259
38	279
39	281
40	283
41	295
42	305
43	314
44	317
45	327
46	329
47	331
48	337
49	339
50	341
51	351
52	353
53	371
54	373
55	401
56	404
57	409
58	413
59	433
60	455