Initial data commit

Task/Yellowstone-sequence/FreeBASIC/yellowstone-sequence.basic

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+function gcd(a as uinteger, b as uinteger) as uinteger
+    if b = 0 then return a
+    return gcd( b, a mod b )
+end function
+
+dim as uinteger i, j, k, Y(1 to 100)
+
+Y(1) = 1 : Y(2) = 2: Y(3) = 3
+
+for i = 4 to 100
+  k = 3
+  print i
+  do
+      k += 1
+      if gcd( k, Y(i-2) ) = 1 orelse gcd( k, Y(i-1) ) > 1 then continue do
+      for j = 1 to i-1
+          if Y(j)=k then continue do
+      next j
+      Y(i) = k
+      exit do
+  loop
+next i
+
+for i = 1 to 30
+    print str(Y(i))+" ";
+next i
+print
+screen 13
+for i = 1 to 100
+    pset (i, 200-Y(i)), 31
+next i
+
+while inkey=""
+wend
+end