Ormiston triples: Difference between revisions

=={{header|Ruby}}==

<syntaxhighlight lang="ruby" line>

require 'prime'

def all_palin?(arr)

sorted = arr.first.digits.sort

arr[1..].all?{|a| a.digits.sort == sorted}

end

res = Prime.each.each_cons(3).lazy.filter_map{|ar| ar.first if all_palin?(ar)}.first(25)

res.each_slice(5){|slice| puts slice.join(", ")}

n = 1E9

res = Prime.each(n).each_cons(3).count {|ar| all_palin?(ar)}

puts "\nThere are #{res} Ormiston trios below #{n}"

</syntaxhighlight>

{{out}}

<pre>11117123, 12980783, 14964017, 32638213, 32964341

33539783, 35868013, 44058013, 46103237, 48015013

50324237, 52402783, 58005239, 60601237, 61395239

74699789, 76012879, 78163123, 80905879, 81966341

82324237, 82523017, 83279783, 86050781, 92514341

There are 368 Ormiston trios below 1000000000.0

</pre>