A241034 Start number of first run of exactly n consecutive economical numbers.

125, 4374, 1097873, 179210312, 10546514090622

Offset: 1

Author

Arkadiusz Wesolowski, Apr 15 2014

Keywords

• nonn
• base
• hard
• more

Links

• J.-M. De Koninck and F. Luca, On strings of consecutive economical numbers of arbitrary length, Integers: Electronic Journal of Combinatorial Number Theory 5, (2005), #A5.
• Richard G.E. Pinch, Economical numbers, arXiv:math/9802046 [math.NT], 1998
• Carlos Rivera, Puzzle 53
• Eric Weisstein's World of Mathematics, Economical Number

Crossrefs

Cf. A046759, A079323.

Extensions

a(5) found by Jens Kruse Andersen