A086540 - cp's OEIS frontend

A086540 Numbers n such that n and n+1 both are members of A074997; i.e., on the one hand n-1 and n+1 have the same prime signature, on the other hand n and n+2 have the same prime signature.

n	a(n)
1	18
2	55
3	248
4	340
5	348
6	722
7	850
8	949
9	1061
10	1148
11	1204
12	1205
13	1241
14	1277
15	1314
16	1315
17	1667
18	1672
19	2148
20	2716
21	2948
22	2949
23	3258
24	3581
25	3650
26	3651
27	4044
28	4265
29	4627
30	4842
31	5092
32	5093
33	5451
34	5741
35	5765
36	6244
37	6355
38	6356
39	6565
40	6640
41	6851
42	6963
43	7362
44	7404

[18, 55, 248, 340, 348, 722, 850, 949, 1061, 1148, 1204, 1205, 1241, 1277, 1314, 1315, 1667, 1672, 2148, 2716, 2948, 2949, 3258, 3581, 3650, 3651, 4044, 4265, 4627, 4842, 5092, 5093, 5451, 5741, 5765, 6244, 6355, 6356, 6565, 6640, 6851, 6963, 7362, 7404]

cp's OEIS Frontend

A086540 Numbers n such that n and n+1 both are members of A074997; i.e., on the one hand n-1 and n+1 have the same prime signature, on the other hand n and n+2 have the same prime signature.

Table of values

List of values