[seqfan] Re: Prime numbers that differ by 30 with no primes between p and p+30

Neil Sloane njasloane at gmail.com
Wed Dec 25 19:57:14 CET 2019


A124596 is the canonical sequence, and we have it (and it has a b-file of
10000 terms).
4327 does not belong there, since the next prime after it is 4337, with a
gap of 10




On Wed, Dec 25, 2019 at 1:03 PM Harvey P. Dale <hpd at hpdale.org> wrote:

> Here are the terms from among the first 5000 primes: 4297, 4831, 5351,
> 5749, 6491, 6917, 7253, 7759, 7963, 8389, 8893, 13063, 13187, 13933, 13967,
> 14251, 14983, 16381, 16573, 17627, 18553, 18869, 20563, 21283, 21347,
> 21617, 23633, 23689, 24251, 25189, 26053, 26597, 27299, 27367, 27551,
> 28319, 28979, 29537, 30727, 30983, 31091, 31277, 31817, 32719, 33119,
> 33427, 33967, 35171, 35461, 37277, 37717, 38083, 38119, 40709, 41413,
> 41549, 41813, 42101, 42611, 43543, 44453, 44587, 45707, 46103, 46351.
>         Best,
>         Harvey
>
>
> -----Original Message-----
> From: SeqFan <seqfan-bounces at list.seqfan.eu> On Behalf Of zak seidov via
> SeqFan
> Sent: Wednesday, December 25, 2019 3:34 AM
> To: seqfan at list.seqfan.eu
> Cc: zak seidov <zakseidov at yahoo.com>
> Subject: [seqfan] Re: Prime numbers that differ by 30 with no primes
> between p and p+30
>
> A124596 Primes p such that q-p = 30, where q is the next prime after p.
>  4297, 4831, 5351, 5749, 6491, 6917, 7253
>
>     On Wednesday, December 25, 2019, 7:28:30 AM GMT+2, Harry Neel <
> neelh48 at hotmail.com> wrote:
>
>  While I have been able to obtain a sequence containing only the first
> prime of the sequence when I enter
>
>                 4297,4327,4831,4861,5351,5381
>
> the return is “Sorry….”
>
> As these are distinct prime numbers that have no primes between them,
> should I receive a different response.
>
> Hopefully I am not missing terms.
>
> Thanks,
>
> H. Neel
>
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