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A006189 Number of paths on square lattice.
(Formerly M2891) 		+0
1
1, 3, 11, 38, 126, 415, 1369, 4521 (list; graph; listen)
OFFSET

3,2
REFERENCES

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

CROSSREFS

Sequence in context: A109000 A129962 A026361 this_sequence A092201 A026943 A047096

Adjacent sequences: A006186 A006187 A006188 this_sequence A006190 A006191 A006192

KEYWORD

nonn,walk

AUTHOR

njas

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

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