[seqfan] Re: A171137
maxale at gmail.com
Tue Oct 21 16:46:49 CEST 2014
>From the formula for A171137, its definition should be something like:
Smallest m such that the smallest prime p with p+2*m being either a
prime or a semiprime is p=prime(n).
It's also the smallest inverse of sequence A000720(A171135(n)).
On Tue, Oct 21, 2014 at 10:21 AM, Charles Greathouse
<charles.greathouse at case.edu> wrote:
> No, wait -- A171135 is fine. Maybe the formula will help us understand
> Charles Greathouse
> Case Western Reserve University
> On Tue, Oct 21, 2014 at 10:17 AM, Charles Greathouse <
> charles.greathouse at case.edu> wrote:
>> I agree. I also have trouble with the apparently-related A171135.
>> Charles Greathouse
>> Case Western Reserve University
>> On Tue, Oct 21, 2014 at 9:44 AM, Harvey P. Dale <hpd at hpdale.org> wrote:
>>> I may be misunderstanding the definition, but applying it as I
>>> understand it I get terms which are entirely different that those provided
>>> in the sequence.
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