[seqfan] Re: A269254 and A034807
Bob Selcoe
rselcoe at entouchonline.net
Thu Oct 26 01:06:57 CEST 2017
Hans,
Thanks. Glad you caught 2525 (not 2510 typo).
and yes, a(724) and a(6726) = 2 do not fit the pattern as I expected.
But it does still seem like there is a relationship between desired a(n) = -1 and A034807; especially if a(2525) holds.
Any thoughts, anyone??
Bob
Sent from my iPhone
> On Oct 25, 2017, at 4:56 PM, Hans Havermann <gladhobo at bell.net> wrote:
>
> Bob Selcoe:
>
>> L_5 = j^5 - 5j^3 + 5n; n = a(L_5) = -1 when j = {3, 4, 5...}, so expect n = {123, 724, 2510...}.
>
> 123, 724, 2525, 6726, 15127, 30248, ... I think. a(2525) didn't find anything in my 20-minute test but I'll point out that a(724) = a(6726) = 2, which strikes me as problematic.
>
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