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A067610 Number of stereo alkanes not containing a certain forbidden substructure) with combinatorial diameter n. +0
4
1, 1, 3, 6, 57, 838, 319924, 35630889 (list; graph; listen)
OFFSET

1,3

REFERENCES

R. Davies and P. J. Freyd, C_{167}H_{336} is The Smallest Alkane with More Realizable Isomers than the Observable Universe has Particles, Journal of Chemical Education, Vol. 66, April 1989, pp. 278-281.

CROSSREFS

Cf. A000602, A000628, A067609, A067608.

Sequence in context: A051641 A003098 A045914 this_sequence A067609 A012473 A058161

Adjacent sequences: A067607 A067608 A067609 this_sequence A067611 A067612 A067613

KEYWORD

nonn

AUTHOR

Peter Freyd (pjf(AT)saul.cis.upenn.edu), Feb 02 2002

EXTENSIONS

Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Feb 11 2002

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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