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Search: id:A001184
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A001184 Number of simple Hamiltonian rook paths connecting opposite corners of 2n+1 X 2n+1 board. +0
1
1, 2, 104, 111712, 2688307514, 1445778936756068, 17337631013706758184626 (list; graph; listen)
OFFSET

0,2

REFERENCES

Computed by D. E. Knuth, Dec. 7, 1995.

CROSSREFS

a(n)=A121788(2n), n>0. [From Ashutosh Mehra (ashutoshmehra(AT)gmail.com), Dec 19 2008]

Sequence in context: A055693 A106299 A101530 this_sequence A098653 A119433 A042351

Adjacent sequences: A001181 A001182 A001183 this_sequence A001185 A001186 A001187

KEYWORD

nonn,walk

AUTHOR

D. E. Knuth

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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