A124450: no autoreply from OEIS

zak seidov zakseidov at yahoo.com
Thu Nov 2 07:12:28 CET 2006


Just submitted:
A124450 (no autoreply from OEIS).
Hope someone may wish to add more terms:
Mathematica isn't the best in such calcs.
Thanks, Zak

%I A124450
%S A124450
5,47,491,4919,49877,499943,4999913,49999757,499999931,4999999937,49999999811,499999999769,4999999998431,49999999999619,499999999999769,4999999999998557,49999999999998887,499999999999999679,4999999999999999661,49999999999999998647
%N A124450 Lesser of pair of closest primes summed to
10^n.
%C A124450 Cf. A065577 Number of Goldbach partitions
of 10^n.
%F A124450 10^n - a(n) is prime.
%e A124450 10^1=5+5; 10^2=47+53; 10^3=491+509;
10^4=4919+5081; 10^5=49877=50123; 10^6=499943+500057;
10^7=4999913+5000087; 10^8=49999757+50000243;
10^9=499999931+500000069;
10^10=4999999937+5000000063}, etc.
%Y A124450 A065577
%O A124450 1
%K A124450 ,nonn,
%A A124450 Zak Seidov  (zakseidov at yahoo.com), Nov 02 2006


 
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