palindrome

palindrome.rb

output = (0..).reduce([]) do |accumulator, number|
  binary = number.to_s(2)
  reverse_binary = binary.reverse.sub!(/^0*/, "")
  accumulator << number if binary == reverse_binary && number.to_s == number.to_s.reverse
  break accumulator if accumulator.count >= 10
  accumulator
end

puts output