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cyclozine 01-27-2005 00:17

math help combinatorics
 
how many positive integers less than 1,000,000 have the sum of their digits equal to 17?

i understand how to find # of compositions of an integer w/ a restriction using weight & generating functions but it is beyond me how any of that can be applied to this question.

Ben Dover 01-27-2005 00:19

Make a list!

Smay 01-27-2005 00:21

http://home.att.net/~numericana/answ....htm#possesses

Read the one I linked to, plus the one under it

cyclozine 01-27-2005 00:24

smay u r the man


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