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A001197 Zarankiewicz's problem k(n,2).
(Formerly M3300 N1330)
1, 4, 7, 10, 13, 17, 22, 25, 30, 35, 40, 46, 53, 57, 62, 68, 75, 82, 89, 97, 106 (list; graph; refs; listen; history; text; internal format)



L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 291.

R. K. Guy, A problem of Zarankiewicz, in P. Erdős and G. Katona, editors, Theory of Graphs (Proceedings of the Colloquium, Tihany, Hungary), Academic Press, NY, 1968, pp. 119-150.

Richard J. Nowakowski, Zarankiewicz's Problem, PhD Dissertation, University of Calgary, 1978, page 202.

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).


Table of n, a(n) for n=1..21.

R. K. Guy, A problem of Zarankiewicz, Research Paper No. 12, Dept. of Math., Univ. Calgary, Jan. 1967. [Annotated and scanned copy, with permission]

R. K. Guy, A many-facetted problem of Zarankiewicz, Lect. Notes Math. 110 (1969), 129-148.


Cf. A001198.

Sequence in context: A143455 A310684 A087065 * A276874 A310685 A310686

Adjacent sequences:  A001194 A001195 A001196 * A001198 A001199 A001200




N. J. A. Sloane


Nowakowski's thesis, directed by Guy, corrected Guy's value for a(15) and supplied a(16)-a(21) entered by Don Knuth, Aug 13 2014



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Last modified January 18 09:00 EST 2019. Contains 319269 sequences. (Running on oeis4.)