A071125 - OEIS

%I #11 Aug 09 2015 14:32:25

%S 4,44,98,844,30923,671346,8870025

%N Least starting number initiating cubefree but nonsquarefree chain of consecutive integers with length n {j,j+1,...,j+n-1}; i.e., start of n consecutive numbers in A067259.

%C Sequence is complete: multiples of 8 are not cubefree. - _Donovan Johnson_, Apr 27 2008

%F A051903(a(n) + j) = 2 for j = 0, 1, ..., (n-1).

%e n = 671346 = 2*3*3*13*19*151;

%e n = 671347 = 17*17*23*101;

%e n = 671348 = 2*2*47*3571;

%e n = 671349 = 3*7*7*4567;

%e n = 671350 = 2*5*5*29*463;

%e n = 671351 = 53*53*239.

%Y Cf. A063528, A067259.

%K nonn,fini,full

%O 1,1

%A _Labos Elemer_, May 29 2002

%E a(7) from _Donovan Johnson_, Apr 27 2008