report of Sep 21

N. J. A. Sloane njas at research.att.com
Wed Sep 21 14:16:25 CEST 2005


1. I will be traveling Set 21-28, no OEIS updates during that time.
Will be talking about the OEIS at UCDavis Sep 26.
Have processed Comments only through Sep 6, will catch up when I return.

2. Eric Bach and Jon Sorenson have found the fourth term in 
%I A016088
%S A016088 5,277,5195977,1801241230056600523
%N A016088 a(n) = smallest prime p such that Sum_{ primes q = 2, ..., p} 1/q exceeds n.
...
- see the full entry for details

3. When can you take the cube root (say) of a power
series with integer coefficients and still have integer
coeeficients? - see the new paper
 Nadia Heninger, Eric Rains and N. J. A. Sloane,
On Squares, Cubes, ... in Z[[x]]*
http://www.research.att.com/~njas/doc/osce.pdf

4. Are people still having problems with the 
"Can't open dbase ... access599999" bug?  My impression
is that this happens less frequently now.

NJAS





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