A256473 - cp's OEIS frontend

A256473 Odd primes p for which there are exactly as many primes in the range [prevprime(p)^2, prevprime(p)p] as there are in the range [prevprime(p)p, p^2], where prevprime(p) gives the previous prime before prime p.

n	a(n)
1	3
2	31
3	47
4	61
5	73
6	467
7	607
8	883
9	1051
10	1109
11	1181
12	1453
13	2333
14	2593
15	2693
16	2699
17	2789
18	3089
19	3109
20	3919
21	8563
22	12893
23	13009
24	13807
25	13877
26	13879
27	15511
28	18461
29	19483
30	20389
31	23021
32	25087
33	26647
34	29191
35	32803
36	33767
37	35339
38	41651
39	43991
40	46301
41	47051
42	49223
43	51581
44	63127

[3, 31, 47, 61, 73, 467, 607, 883, 1051, 1109, 1181, 1453, 2333, 2593, 2693, 2699, 2789, 3089, 3109, 3919, 8563, 12893, 13009, 13807, 13877, 13879, 15511, 18461, 19483, 20389, 23021, 25087, 26647, 29191, 32803, 33767, 35339, 41651, 43991, 46301, 47051, 49223, 51581, 63127]

cp's OEIS Frontend

A256473 Odd primes p for which there are exactly as many primes in the range [prevprime(p)^2, prevprime(p)p] as there are in the range [prevprime(p)p, p^2], where prevprime(p) gives the previous prime before prime p.

Table of values

List of values

cp's OEIS Frontend

A256473 Odd primes p for which there are exactly as many primes in the range [prevprime(p)^2, prevprime(p)*p] as there are in the range [prevprime(p)*p, p^2], where prevprime(p) gives the previous prime before prime p.

Table of values

List of values

A256473 Odd primes p for which there are exactly as many primes in the range [prevprime(p)^2, prevprime(p)p] as there are in the range [prevprime(p)p, p^2], where prevprime(p) gives the previous prime before prime p.