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%I #17 Feb 11 2018 04:09:02
%S 125,4374,1097873,179210312,10546514090622
%N Start number of first run of exactly n consecutive economical numbers.
%H J.-M. De Koninck and F. Luca, <a href="https://www.emis.de/journals/INTEGERS/papers/a5int2003/a5int2003.Abstract.html">On strings of consecutive economical numbers of arbitrary length</a>, Integers: Electronic Journal of Combinatorial Number Theory 5, (2005), #A5.
%H Richard G.E. Pinch, <a href="http://arxiv.org/abs/math/9802046">Economical numbers</a>, arXiv:math/9802046 [math.NT], 1998
%H Carlos Rivera, <a href="http://www.primepuzzles.net/puzzles/puzz_053.htm">Puzzle 53</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/EconomicalNumber.html">Economical Number</a>
%Y Cf. A046759, A079323.
%K nonn,base,hard,more
%O 1,1
%A _Arkadiusz Wesolowski_, Apr 15 2014
%E a(5) found by _Jens Kruse Andersen_