Yellowstone sequence: Difference between revisions

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+;Example:
-=== Task ===
+a(4) is 4 because 4 is the smallest number following 1, 2, 3 in the sequence that is relatively prime to the entry before it (3), and is not relatively prime to the number two entries before it (2).
+;Task
 : Find and show as output the first 30 Yellowstone numbers.
-=== Extra ===
+;Extra
 :  Demonstrate how to plot, with x = n and y coordinate a(n), the first 100 Yellowstone numbers.
-;Example:
-a(4) is 4 because 4 is the smallest number following 1, 2, 3 in the sequence that is relatively prime to the entry before it (3),
-and is not relatively prime to the number two entries before it (2).
 ;Related tasks:
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 :* &nbsp; [https://rosettacode.org/wiki/Plot_coordinate_pairs Plot coordinate pairs].
-See also:
+;See also:
 :* &nbsp; The OEIS entry: &nbsp; [https://oeis.org/A098550 A098550 The Yellowstone permutation].
-:* &nbsp; Applegate et al, 2015: The Yellowstone Permutation [https://arxiv.org/abs/1501.01669]
+:* &nbsp; Applegate et al, 2015: The Yellowstone Permutation [https://arxiv.org/abs/1501.01669].
-<br> <br>