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A000626
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Number of stereoisomeric paraffins with n carbon atoms.
(Formerly M3422 N1386)
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3
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0, 0, 0, 0, 0, 0, 4, 11, 35, 101, 290, 804, 2256, 6296, 17689, 49952, 142016, 406330, 1170272, 3390932, 9882412, 28955403, 85261439, 252213192, 749250700, 2234562027, 6688670232, 20088920730, 60525912003, 182895125096, 554186425193, 1683554604984, 5126814324715, 15647846830627, 47862034920652, 146691540312878
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,7
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REFERENCES
| C. M. Blair and H. R. Henze, The number of stereoisomeric and non-stereoisomeric paraffin hydrocarbons, J. Amer. Chem. Soc., 54 (1932), 1538-1545.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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FORMULA
| Reference gives recurrence.
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CROSSREFS
| Cf. A000627, A000628.
Sequence in context: A029853 A104500 A119716 * A036364 A052550 A197626
Adjacent sequences: A000623 A000624 A000625 * A000627 A000628 A000629
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| Corrected and extended by Tom Zeller (tzellera(AT)aim.com), Jun 01 2006
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