Recent sequences lacking keyword "base"

Klaus Brockhaus klaus-brockhaus at t-online.de
Fri Oct 6 01:49:16 CEST 2006


Francisco, no objections whatsoever; thanks for pointing this out. Klaus


FRANCISCO SALINAS wrote:
> 
> Klaus, and what about these not so recent ones?:
> 
> A117807  Start with 1015 and repeatedly reverse the digits and add 4 to get
> the next term.
> A079130  Primes such that iterated sum-of-digits (A038194) is a square.
> A079131  Primes such that iterated sum-of-digits (A038194) is odd.
> A079132  Primes such that iterated sum-of-digits (A038194) is even.
> 
> ....and many more indeed.
> 
> Any objections?
> 
> Thanks.
>






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