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A130078 Largest 2^x dividing A001623(n), the number of reduced three-line Latin rectangles. 2
1, 4, 2, 8, 16, 64, 32, 64, 128, 512, 256, 2048, 8192, 16384, 4096, 65536, 32768, 131072, 65536, 262144, 524288, 2097152, 1048576, 2097152, 4194304, 16777216, 8388608, 134217728, 134217728, 1073741824, 134217728, 536870912, 2147483648 (list; graph; refs; listen; history; internal format)
OFFSET

3,2

REFERENCES

John Riordan, A recurrence relation for three-line Latin rectangles, Amer. Math. Monthly, 59 (1952), pp. 159-162.

D. S. Stones, The many formulae for the number of Latin rectangles, Electron. J. Combin 17 (2010), A1.

D. S. Stones and I. M. Wanless, Divisors of the number of Latin rectangles, J. Combin. Theory Ser. A 117 (2010), 204-215.

CROSSREFS

Cf. A001623, A130077, A130079.

Sequence in context: A064821 A002291 A110622 * A204449 A172393 A040174

Adjacent sequences:  A130075 A130076 A130077 * A130079 A130080 A130081

KEYWORD

nonn

AUTHOR

Douglas Stones (dssto1(AT)student.monash.edu.au), May 06 2007

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Last modified February 17 02:48 EST 2012. Contains 205978 sequences.