The number 
has the property that 
and 
have the same digit sum. It is the seventh number, including zero, in the sequence of numbers with that property.
has the property that and have the same digit sum. It is the seventh number, including zero, in the sequence of numbers with that property. Write a function to find the nth term in the sequence, where n can be a vector.
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> It is the sixth number, including zero, in the sequence of numbers with that property.
Isn't it the seventh?
Also, out of curiosity, why are you disallowing persistent variables?
Yes, seventh--corrected, thanks. Bitten by the "off by one bug" again.
Banning persistent is to add the challenge of dealing with large numbers in Cody time. A while ago I found a quicker way to find the digit sums of a lot of numbers, and this problem was another place to exploit that method.