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A000743 Number of compositions of n into 5 ordered relatively prime parts.
(Formerly M3852 N1577)
+0
5
1, 5, 15, 35, 70, 125, 210, 325, 495, 700, 1000, 1330, 1820, 2305, 3060, 3750, 4830, 5775, 7315, 8490, 10625, 12155, 14880, 16835, 20475, 22620, 27405, 30100, 35750, 39100, 46360, 49655, 58905, 62985, 73320, 78340, 91390, 95720, 111930, 117425 (list; graph; listen)
OFFSET

3,2

REFERENCES

H. W. Gould, Binomial coefficients, the bracket function, and compositions with relatively prime summands, Fib. Quart. 2 (1964), 241-260.

LINKS

N. J. A. Sloane, Transforms

FORMULA

Moebius transform of binomial(n-1, 4).

CROSSREFS

Sequence in context: A015622 A000750 A008487 this_sequence A138779 A090580 A000332

Adjacent sequences: A000740 A000741 A000742 this_sequence A000744 A000745 A000746

KEYWORD

nonn

AUTHOR

njas

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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