[seqfan] Re: Chewing an old bone

Alois Heinz heinz at hs-heilbronn.de
Thu Oct 13 11:36:39 CEST 2011

The idea is good.

But why not

    signum(a(n)) * log(|a(n)|+1)

which is compatible with log(|a(n)|+1) for nonnegative sequences?


Am 13.10.2011 04:14, schrieb David Wilson:
> My suggestion to improve this situation is as follows: For 
> large-valued sequences, instead of plotting
> log(a(n)+1) or log(|a(n)|+1), plot
>     qlog(n) = arcsinh(a(n)/2)/(ln 10)

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