Achilles numbers: Difference between revisions
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puts "\nFirst #{n} strong Achilles numbers:"
achilleses.select{|ach| achilles?(𝜑(ach)) }.first(n).each_slice(10){|s| puts "%9d"*s.size % s }
puts
counts = achilleses.take_while{|ach| ach < 1000000}.map{|a| a.digits.size }.tally
counts.each{|k
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{{out}}
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