A078330 - cp's OEIS frontend

A078330 Primes p such that mu(p-1) = -1, where mu is the Moebius function; that is, p-1 is squarefree and has an odd number of prime factors.

n	a(n)
1	3
2	31
3	43
4	67
5	71
6	79
7	103
8	131
9	139
10	191
11	223
12	239
13	283
14	311
15	367
16	419
17	431
18	439
19	443
20	499
21	599
22	607
23	619
24	643
25	647
26	659
27	683
28	743
29	787
30	823
31	827
32	907
33	947
34	971
35	1031
36	1039
37	1087
38	1091
39	1103
40	1163
41	1223
42	1259
43	1399
44	1427
45	1447
46	1499
47	1511
48	1543
49	1559
50	1571

[3, 31, 43, 67, 71, 79, 103, 131, 139, 191, 223, 239, 283, 311, 367, 419, 431, 439, 443, 499, 599, 607, 619, 643, 647, 659, 683, 743, 787, 823, 827, 907, 947, 971, 1031, 1039, 1087, 1091, 1103, 1163, 1223, 1259, 1399, 1427, 1447, 1499, 1511, 1543, 1559, 1571]

cp's OEIS Frontend

A078330 Primes p such that mu(p-1) = -1, where mu is the Moebius function; that is, p-1 is squarefree and has an odd number of prime factors.

Table of values

List of values