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| -rw-r--r-- | src/projecteuler/072.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/projecteuler/072.txt b/src/projecteuler/072.txt new file mode 100644 index 0000000..d99267c --- /dev/null +++ b/src/projecteuler/072.txt @@ -0,0 +1,16 @@ +solved with wolframalpha.com: + sum phi(n), n=2 to 1000000 + + 3039650753 ++ 9118948164 ++ 15198149566 ++ 21277458826 ++ 27356832366 ++ 33435937046 ++ 39515212818 ++ 45594757684 ++ 51673635564 ++ 57752969604 +------------- + 303963552391 + |