login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A000626 Number of stereoisomeric paraffins with n carbon atoms.
(Formerly M3422 N1386)
4
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; text; internal format)
OFFSET

1,7

REFERENCES

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).

LINKS

Table of n, a(n) for n=1..36.

C. M. Blair and H. R. Henze, The number of stereoisomeric and non-stereoisomeric paraffin hydrocarbons, J. Amer. Chem. Soc., 54 (4) (1932), 1538-1545.

C. M. Blair and H. R. Henze, The number of stereoisomeric and non-stereoisomeric paraffin hydrocarbons, J. Amer. Chem. Soc., 54 (4) (1932), 1538-1545. (Annotated scanned copy)

FORMULA

Reference gives recurrence.

CROSSREFS

Cf. A000627, A000628.

Sequence in context: A029853 A104500 A119716 * A036364 A295247 A052550

Adjacent sequences:  A000623 A000624 A000625 * A000627 A000628 A000629

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

EXTENSIONS

Corrected and extended by Tom Zeller (tzellera(AT)aim.com), Jun 01 2006

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 14 03:38 EDT 2021. Contains 345018 sequences. (Running on oeis4.)