A241034 Start number of first run of exactly n consecutive economical numbers.
125, 4374, 1097873, 179210312, 10546514090622
Offset: 1
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
Extensions
a(5) found by Jens Kruse Andersen