[seqfan] Re: As much as I hate "base" sequences...

Ray Chandler rayjchandler at sbcglobal.net
Thu Jan 23 04:23:00 CET 2014


See A236295 which Hans submitted yesterday.

> -----Original Message-----
> From: SeqFan [mailto:seqfan-bounces at list.seqfan.eu] On Behalf Of David
> Wilson
> Sent: Wednesday, January 22, 2014 6:53 PM
> To: 'Sequence Fanatics Discussion list'
> Subject: [seqfan] Re: As much as I hate "base" sequences...
> 
> Ouch, this sequences if full of chuff.
> Even the visible values are mostly -1.
> 
> A much better sequence would be "Number of steps for A114440(n) to reach
> 1".
> This would skip the values that never reach 1.
> It would be much better use of OEIS real estate.
> In fact, the sequence would be finite, and all the interesting elements
could
> be included in a b-file.
> Hans could pound out a b-file in no time.
> 
> As much as I hate "base" sequences, I hate sequences with "or -1 if
> undefined" even more.
> If the OEIS supported index sequences, we could create your sequence
> above with index sequence A114440.
> Then you could submit only the values at elements of A114440.
> 





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