login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A006191 Number of paths on square lattice.
(Formerly M1490)
0
1, 2, 5, 16, 54, 180, 595, 1964 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

REFERENCES

H. L. Abbott and D. Hanson, A lattice path problem, Ars Combin., 6 (1978), 163-178.

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=3..10.

CROSSREFS

Sequence in context: A100442 A081126 A018191 * A149959 A161941 A120899

Adjacent sequences:  A006188 A006189 A006190 * A006192 A006193 A006194

KEYWORD

nonn,walk

AUTHOR

N. J. A. Sloane.

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified December 9 23:16 EST 2016. Contains 278993 sequences.