A257364 - cp's OEIS frontend

A257364 Least prime p such that pi(pn)^2 = pi(qn)^2 + pi(r*n)^2 for some primes q and r, where pi(x) denotes the number of primes not exceeding x.

n	a(n)
1	11
2	59
3	47
4	211
5	23
6	233
7	181
8	257
9	109
10	109
11	13
12	311
13	929
14	47
15	389
16	757
17	1747
18	13
19	67
20	2389
21	1087
22	569
23	311
24	853
25	103
26	5569
27	1399
28	3203
29	10891
30	3673
31	3793
32	1873
33	4357
34	41
35	2297
36	131
37	3253
38	6737
39	2621
40	5113
41	2879
42	953
43	6379
44	3539
45	12343
46	4337
47	6067
48	11939
49	43441
50	5179

[11, 59, 47, 211, 23, 233, 181, 257, 109, 109, 13, 311, 929, 47, 389, 757, 1747, 13, 67, 2389, 1087, 569, 311, 853, 103, 5569, 1399, 3203, 10891, 3673, 3793, 1873, 4357, 41, 2297, 131, 3253, 6737, 2621, 5113, 2879, 953, 6379, 3539, 12343, 4337, 6067, 11939, 43441, 5179]

cp's OEIS Frontend

A257364 Least prime p such that pi(pn)^2 = pi(qn)^2 + pi(r*n)^2 for some primes q and r, where pi(x) denotes the number of primes not exceeding x.

Table of values

List of values

cp's OEIS Frontend

A257364 Least prime p such that pi(p*n)^2 = pi(q*n)^2 + pi(r*n)^2 for some primes q and r, where pi(x) denotes the number of primes not exceeding x.

Table of values

List of values

A257364 Least prime p such that pi(pn)^2 = pi(qn)^2 + pi(r*n)^2 for some primes q and r, where pi(x) denotes the number of primes not exceeding x.