A260140 - cp's OEIS frontend

A260140 Least prime p such that pi(pn) = pi(qn)^2 for some prime q, where pi(x) denotes the number of primes not exceeding x.

n	a(n)
1	2
2	5
3	19
4	3187
5	11
6	2251
7	12149
8	19
9	239
10	23761
11	61
12	157
13	8419
14	10973
15	1117
16	9601
17	58741
18	37
19	53359
20	14533
21	1063
22	934811
23	78487
24	27647
25	1249
26	720221
27	1616077
28	30091
29	5501
30	131627
31	2003
32	67
33	677
34	1313843
35	45413
36	273943
37	127241
38	19661
39	188317
40	811
41	33863
42	17789
43	109073
44	602269
45	125201
46	6424897
47	441647
48	2512897
49	2909
50	836471

[2, 5, 19, 3187, 11, 2251, 12149, 19, 239, 23761, 61, 157, 8419, 10973, 1117, 9601, 58741, 37, 53359, 14533, 1063, 934811, 78487, 27647, 1249, 720221, 1616077, 30091, 5501, 131627, 2003, 67, 677, 1313843, 45413, 273943, 127241, 19661, 188317, 811, 33863, 17789, 109073, 602269, 125201, 6424897, 441647, 2512897, 2909, 836471]

cp's OEIS Frontend

A260140 Least prime p such that pi(pn) = pi(qn)^2 for some prime q, where pi(x) denotes the number of primes not exceeding x.

Table of values

List of values

cp's OEIS Frontend

A260140 Least prime p such that pi(p*n) = pi(q*n)^2 for some prime q, where pi(x) denotes the number of primes not exceeding x.

Table of values

List of values

A260140 Least prime p such that pi(pn) = pi(qn)^2 for some prime q, where pi(x) denotes the number of primes not exceeding x.