Recaman's sequence: Difference between revisions
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The '''[[wp:Recamán's sequence|Recamán's sequence]]''' generates Natural numbers. |
The '''[[wp:Recamán's sequence|Recamán's sequence]]''' generates Natural numbers. |
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Starting from zero, the n'th term <code>a(n)</code> is the previous term minus <code>n</code> i.e <code>a(n) = a(n-1) - n</code> but only if this is '''both''' positive ''and'' has not been previousely generated.<br> |
Starting from zero, the n'th term <code>a(n)</code> is the previous term minus <code>n</code> i.e <code>a(n) = a(n-1) - n</code> but only if this is '''both''' positive ''and'' has not been previousely generated.<br> |
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If the conditions ''don't'' hold then <code>a(n) = a(n-1) + n</code>. |
If the conditions ''don't'' hold then <code>a(n) = a(n-1) + n</code>. |
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