A219452 - OEIS

%I #5 Nov 20 2012 17:31:31

%S 2,4,843,74848,671345,8870024

%N First position of a plateau of length n in the product-of-exponents function A005361.

%C The smallest index k such that A005361(k+1) = A005361(k+2) = ... = A005361(k+n).

%C a(8) is conjectured to be 1770019255373287038727484868192109228823.

%H J.-M. de Koninck, F. Luca, <a href="http://dx.doi.org/10.1112/S0025579300000954">The product of exponents in the factorization of consecutive integers</a>, Mathematika 55 (2009) 59-65

%K nonn

%O 2,1

%A _R. J. Mathar_, Nov 20 2012