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+#!ruby.exe
+
+# AUTHOR: Robert DiCicco
+# DATE: 2022-06-06
+# Challenge 168 Perrin Primes ( Ruby )
+
+require 'prime'
+
+perrin = Array[3,0,2]
+
+PRIME_COUNT = 14
+
+results = Array.new()
+
+i = 0
+
+while i < PRIME_COUNT
+
+  slots = perrin.length()
+
+  calc_val = perrin[slots - 2] + perrin[slots - 3]
+
+  perrin.push(calc_val)
+
+  if Prime.prime?(calc_val)
+
+    results.push(calc_val)
+
+    i += 1
+
+  end
+
+end
+
+results = results.sort.uniq
+
+puts "#{results }"