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A083883 Odd short leg of more than one primitive Pythagorean triangle. 2
33, 39, 51, 57, 65, 69, 75, 85, 87, 93, 95, 105, 111, 115, 119, 123, 129, 133, 135, 141, 145, 147, 155, 159, 161, 165, 175, 177, 183, 185, 189, 195, 201, 203, 205, 207, 213, 215, 217, 219, 225, 231, 235, 237, 245, 249, 255, 259, 261, 265, 267, 273, 279, 285 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Ray Chandler, Table of n, a(n) for n = 1..10000

MATHEMATICA

Take[Transpose[Select[Tally[Transpose[Union[Sort/@({Times@@#, (Last[#]^2- First[#]^2)/2}&/@(Select[Subsets[Range[1, 501, 2], {2}], GCD@@#==1&]))]][[1]]], OddQ[#[[1]]]&&#[[2]]>1&]][[1]], 60] (* Harvey P. Dale, May 28 2015 *)

CROSSREFS

Cf. A081874.

Sequence in context: A020260 A140147 A223733 * A039326 A043149 A043929

Adjacent sequences:  A083880 A083881 A083882 * A083884 A083885 A083886

KEYWORD

nonn

AUTHOR

Lekraj Beedassy, Jun 18 2003

EXTENSIONS

Corrected and extended by Ray Chandler, Oct 29 2003

STATUS

approved

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Last modified May 27 21:52 EDT 2020. Contains 334671 sequences. (Running on oeis4.)