Paraffins: Difference between revisions
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The output is how many different different paraffins there are with '''n''' carbon atoms (for instance 24,894 if '''n''' = 17). |
The output is how many different different paraffins there are with '''n''' carbon atoms (for instance 24,894 if '''n''' = 17). |
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The sequence of those results is visible in the |
The sequence of those results is visible in the OEIS entry: |
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::: [[oeis:A00602 number of n-node unrooted quartic trees; number of n-carbon alkanes C(n)H(2n+2) ignoring stereoisomers]]. |
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The sequence is (the index starts from zero, and represents the number of carbon atoms): |
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1, 1, 1, 1, 2, 3, 5, 9, 18, 35, 75, 159, 355, 802, 1858, 4347, 10359, |
1, 1, 1, 1, 2, 3, 5, 9, 18, 35, 75, 159, 355, 802, 1858, 4347, 10359, |
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