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Search: id:A006009
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| A006009 |
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Number of paraffins.
(Formerly M3513)
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+0
2
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| 4, 16, 48, 108, 216, 384, 640, 1000, 1500, 2160, 3024, 4116, 5488, 7168, 9216, 11664, 14580, 18000, 22000, 26620, 31944, 38016, 44928, 52728, 61516, 71344, 82320, 94500, 108000, 122880, 139264, 157216
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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S. M. Losanitsch, Die Isomerie-Arten bei den Homologen der Paraffin-Reihe, Chem. Ber. 30 (1897), 1917-1926.
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FORMULA
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2*(A005994(n)[ 1, 3, 9, 19, 38, 66, 110... ] + C(n, 4)[ 1, 5, 15, 35... ]).
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CROSSREFS
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4*A007009.
Adjacent sequences: A006006 A006007 A006008 this_sequence A006010 A006011 A006012
Sequence in context: A007315 A055342 A050616 this_sequence A100625 A071009 A131126
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KEYWORD
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nonn,easy
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AUTHOR
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njas
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