HP 49G Programming Challenge: OEIS A014261, Integers with exclusively Odd Digits

[pier4r]

(08-30-2017 10:53 AM)Didier Lachieze Wrote:  I had initially the same idea but failed to implement it, for example the 24th number is 77, 24 in base 5 is 44 so you can easily convert it to 77, however if you look at the next one, the 25th should be 79 but 25 in base 5 is 100 and you start to have issues to convert that to 79…

Indeed I am blocked by those. Not yet solved but still I do not feel defeated. When I feel defeated, I ask for help normally and if the help is not available I return on the problem in some time. In this case there are plenty of solutions in this thread already.