A157484 - cp's OEIS frontend

A157484 Numbers k such that k+-1 are divisible by exactly 4 primes, counted with multiplicity.

n	a(n)
1	55
2	89
3	151
4	197
5	233
6	249
7	295
8	307
9	329
10	341
11	343
12	349
13	461
14	489
15	491
16	569
17	571
18	665
19	713
20	739
21	775
22	851
23	857
24	859
25	869
26	871
27	949
28	1013
29	1015
30	1061
31	1097
32	1111
33	1149
34	1191
35	1205
36	1207
37	1209
38	1211
39	1219
40	1255
41	1275
42	1277
43	1291
44	1303
45	1315
46	1421
47	1431
48	1449
49	1483

[55, 89, 151, 197, 233, 249, 295, 307, 329, 341, 343, 349, 461, 489, 491, 569, 571, 665, 713, 739, 775, 851, 857, 859, 869, 871, 949, 1013, 1015, 1061, 1097, 1111, 1149, 1191, 1205, 1207, 1209, 1211, 1219, 1255, 1275, 1277, 1291, 1303, 1315, 1421, 1431, 1449, 1483]

cp's OEIS Frontend

A157484 Numbers k such that k+-1 are divisible by exactly 4 primes, counted with multiplicity.

Table of values

List of values