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A005509 Triangulations.
(Formerly M3312)
1
1, 4, 7, 18, 26, 68 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

C. F. Earl and L. J. March, Architectural applications of graph theory, pp. 327-355 of R. J. Wilson and L. W. Beineke, editors, Applications of Graph Theory. Academic Press, NY, 1979.

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=0..5.

C. F. Earl and L. J. March, Architectural applications of graph theory, pp. 327-355 of R. J. Wilson and L. W. Beineke, editors, Applications of Graph Theory. Academic Press, NY, 1979. (Annotated scanned copy)

C. F. Earl & N. J. A. Sloane, Correspondence, 1980-1981

CROSSREFS

A row or column of the array in A169809.

Sequence in context: A080650 A276187 A318025 * A147366 A056318 A011948

Adjacent sequences:  A005506 A005507 A005508 * A005510 A005511 A005512

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified February 21 01:12 EST 2019. Contains 320364 sequences. (Running on oeis4.)