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Search: id:A057099
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A057099 Middle side of a Pythagorean triangle (ordered by the product of the sides). +0
6
4, 8, 12, 12, 15, 16, 24, 24, 20, 21, 24, 40, 35, 30, 28, 36, 32, 48, 60, 36, 48, 45, 40, 63, 45, 44, 84, 42, 60, 48, 72, 80, 56, 70, 60, 52, 56, 72, 112, 55, 99, 60, 77, 64, 75, 84, 96, 80, 68, 120, 63, 72, 144, 120, 96, 76, 105, 90, 72, 80, 143, 126, 120, 90, 84, 108, 91 (list; graph; listen)
OFFSET

1,1

FORMULA

a(n) =A057096(n)/(A057098(n)*A057100(n)) =sqrt(A057100(n)^2-A057098(n)^2)

EXAMPLE

a(1)=4 since 3*4*5=60 is smallest possible positive product

CROSSREFS

Cf. A009012, A009023, A046084, A057096.

Sequence in context: A092930 A009012 A046084 this_sequence A120427 A060830 A080458

Adjacent sequences: A057096 A057097 A057098 this_sequence A057100 A057101 A057102

KEYWORD

nonn

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Aug 01 2000

page 1

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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