[seqfan] Re: Missing sequences
rkg
rkg at ucalgary.ca
Tue May 19 19:02:03 CEST 2015
Many thanks for this! It underlines my ignorance of
what is meant by ``offset''. The zeroes are very
much a part of the sequences, which also have
values of a(-n). Que faire ?? R.
On Tue, 19 May 2015, israel at math.ubc.ca wrote:
> Without the 0's, these seem to be A007482 and A049072.
>
> Cheers,
> Robert
>
> On May 19 2015, rkg wrote:
>
>> Dear all,
>> I'm not a good looker, but I didn't find either of the
>> sequences
>>
>> 0,1,3,11,39,139,495,...
>>
>> 0,1,3,5,3,-11,-45,-91,...
>>
>> in OEIS. There still seems to be room for a few hundred more
>> divisibility sequences satisfying second order recurrences.
>> Many of them count combinatorial objects. I'm sorry that I
>> don't have the expertise to submit them myself. R.
>>
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>
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