A365864 - cp's OEIS frontend

A365864 Numbers k such that k and k+1 are both divisible by the square of their least prime factor.

n	a(n)
1	8
2	24
3	27
4	44
5	48
6	63
7	80
8	99
9	116
10	120
11	124
12	135
13	152
14	168
15	171
16	175
17	188
18	207
19	224
20	243
21	260
22	275
23	279
24	288
25	296
26	315
27	324
28	332
29	343
30	351
31	360
32	368
33	387
34	404
35	423
36	424
37	440
38	459
39	475
40	476
41	495
42	512
43	528
44	531
45	539
46	548
47	567
48	575
49	584
50	603
51	620
52	624
53	636
54	639

[8, 24, 27, 44, 48, 63, 80, 99, 116, 120, 124, 135, 152, 168, 171, 175, 188, 207, 224, 243, 260, 275, 279, 288, 296, 315, 324, 332, 343, 351, 360, 368, 387, 404, 423, 424, 440, 459, 475, 476, 495, 512, 528, 531, 539, 548, 567, 575, 584, 603, 620, 624, 636, 639]

cp's OEIS Frontend

A365864 Numbers k such that k and k+1 are both divisible by the square of their least prime factor.

Table of values

List of values

n	a(n)
1	8
2	24
3	27
4	44
5	48
6	63
7	80
8	99
9	116
10	120
11	124
12	135
13	152
14	168
15	171
16	175
17	188
18	207
19	224
20	243
21	260
22	275
23	279
24	288
25	296
26	315
27	324
28	332
29	343
30	351
31	360
32	368
33	387
34	404
35	423
36	424
37	440
38	459
39	475
40	476
41	495
42	512
43	528
44	531
45	539
46	548
47	567
48	575
49	584
50	603
51	620
52	624
53	636
54	639

n	a(n)
1	8
2	24
3	27
4	44
5	48
6	63
7	80
8	99
9	116
10	120
11	124
12	135
13	152
14	168
15	171
16	175
17	188
18	207
19	224
20	243
21	260
22	275
23	279
24	288
25	296
26	315
27	324
28	332
29	343
30	351
31	360
32	368
33	387
34	404
35	423
36	424
37	440
38	459
39	475
40	476
41	495
42	512
43	528
44	531
45	539
46	548
47	567
48	575
49	584
50	603
51	620
52	624
53	636
54	639

n	a(n)
1	8
2	24
3	27
4	44
5	48
6	63
7	80
8	99
9	116
10	120
11	124
12	135
13	152
14	168
15	171
16	175
17	188
18	207
19	224
20	243
21	260
22	275
23	279
24	288
25	296
26	315
27	324
28	332
29	343
30	351
31	360
32	368
33	387
34	404
35	423
36	424
37	440
38	459
39	475
40	476
41	495
42	512
43	528
44	531
45	539
46	548
47	567
48	575
49	584
50	603
51	620
52	624
53	636
54	639