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Search: id:A065072
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A065072 Number of ways to tile a square of side 2n by dominoes (rectangles of size 2 X 1 or 1 X 2) is 2^n * a(n)^2 (see A004003). +0
2
1, 3, 29, 901, 89893, 28793575, 29607089625, 97725875584681, 1035449388414303593, 35216739783694029601963, 3844747107219467355553841461, 1347358497824862447450096142795629 (list; graph; listen)
OFFSET

1,2

LINKS

T. D. Noe, Table of n, a(n) for n=1..40

H. Cohn, 2-adic behavior of numbers of domino tilings

CROSSREFS

Cf. A004003.

Sequence in context: A092251 A064570 A117264 this_sequence A088389 A094000 A162085

Adjacent sequences: A065069 A065070 A065071 this_sequence A065073 A065074 A065075

KEYWORD

nonn

AUTHOR

Nicolau C. Saldanha (nicolau(AT)mat.puc-rio.br), Nov 08 2001

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.


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