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A006191 Number of paths on square lattice.
(Formerly M1490) 		+0
1
1, 2, 5, 16, 54, 180, 595, 1964 (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: A100442 A018191 A081126 this_sequence A120899 A141754 A052836

Adjacent sequences: A006188 A006189 A006190 this_sequence A006192 A006193 A006194

KEYWORD

nonn,walk

AUTHOR

njas

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.

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