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 A089552 Sum of legs of primitive Pythagorean triangles having legs that add up to a square, sorted on hypotenuse. 18
 49, 289, 529, 961, 2209, 1681, 2401, 5041, 5329, 6241, 7921, 9409, 12769, 10609, 14161, 14161, 16129, 18769, 22801, 25921, 25921, 27889, 36481, 39601, 37249, 47089, 47089, 54289, 49729, 58081, 69169, 73441, 66049, 57121, 78961, 82369 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Ray Chandler, Table of n, a(n) for n = 1..10000 MATHEMATICA terms = 1000; jmax = 100; kmax = 200; Reap[Do[If[CoprimeQ[j, k], e = j^2 - j k + k^2/2; f = j k; If[e > f, Sow[{e^2 + f^2, (j^2 - k^2/2)^2}]]], {j, 1, jmax}, {k, 2, kmax, 2}]][[2, 1]] // Sort // #[[;; terms, 2]]& (* Jean-François Alcover, Mar 05 2020 *) CROSSREFS Cf. A088319, A088515, A088516, A088546, A089545-A089551, A089554-A089558. Sequence in context: A239211 A198437 A144407 * A017354 A239607 A227079 Adjacent sequences: A089549 A089550 A089551 * A089553 A089554 A089555 KEYWORD nonn AUTHOR Ray Chandler, Nov 16 2003 STATUS approved

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Last modified July 18 12:17 EDT 2024. Contains 374378 sequences. (Running on oeis4.)