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A070127 Numbers n such that [A070080(n), A070081(n), A070082(n)] is an obtuse integer triangle. 10
5, 8, 13, 14, 20, 21, 25, 26, 29, 30, 32, 36, 37, 41, 42, 44, 49, 50, 52, 56, 57, 59, 61, 62, 66, 67, 69, 74, 75, 77, 78, 79, 80, 82, 86, 87, 89, 91, 96, 97, 99, 100, 101, 102, 104, 105, 110, 111, 113, 115, 118, 122, 123, 125, 126, 127 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

R. Zumkeller, Integer-sided triangles

EXAMPLE

a(10)=30: [A070080(30), A070081(30), A070082(30)]=[3,5,7], A070085(30)=3^2+5^2-7^2=9+25-49=-15<0.

CROSSREFS

Cf. A070101, A070129, A070130, A070131, A070132, A070133, A070134, A070135, A070128, A070085.

Sequence in context: A078412 A144650 A046038 * A070128 A030606 A090661

Adjacent sequences:  A070124 A070125 A070126 * A070128 A070129 A070130

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 05 2002

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Last modified February 15 03:33 EST 2012. Contains 205694 sequences.