

A005006


DavenportSchinzel numbers of degree n on 5 symbols.
(Formerly M3785)


1




OFFSET

1,2


REFERENCES

R. K. Guy, Unsolved Problems in Number Theory, E20.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
R. G. Stanton and P. H. Dirksen, DavenportSchinzel sequences, Ars. Combin., 1 (1976), 4351.


LINKS

Table of n, a(n) for n=1..10.
R. G. Stanton and P. H. Dirksen, DavenportSchinzel sequences, Ars. Combin., 1 (1976), 4351. [Annotated scanned copy]
R. G. Stanton and P. H. Dirksen, DavenportSchinzel sequences, Ars. Combin., 1 (1976), 4351. [Annotated scanned copy, different annotations from one above]


CROSSREFS

A row of the array in A259874.
Sequence in context: A216877 A268756 A095725 * A276194 A157970 A054278
Adjacent sequences: A005003 A005004 A005005 * A005007 A005008 A005009


KEYWORD

nonn,more


AUTHOR

N. J. A. Sloane.


EXTENSIONS

Title improved by Sean A. Irvine, Feb 19 2016


STATUS

approved



