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A134961 Ordered hypotenuses of imprimitive Pythagorean triangles. 6
5, 10, 13, 17, 25, 26, 29, 34, 37, 40, 41, 45, 50, 52, 53, 58, 61, 65, 65, 68, 73, 74, 80, 82, 85, 85, 89, 90, 97, 100, 101, 104, 106, 109, 113, 116, 117, 122, 125, 125, 130, 130, 136, 137, 145, 145, 146, 148, 149, 153, 157, 160, 164, 169, 170, 170 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Imprimitive analog of A020882.

LINKS

Hans Isdahl, Table of n, a(n) for n = 1..140

Hans Isdahl, Pythagoras site (in Norwegian)

MATHEMATICA

lst={}; Do[Do[x=a^2; Do[y=b^2; If[x+y==n, AppendTo[lst, n]], {b, Floor[(n-x)^(1/2)], a+1, -1}], {a, Floor[n^(1/2)], 1, -1}], {n, 6!}]; lst (* Vladimir Joseph Stephan Orlovsky, Jan 22 2009 *)

CROSSREFS

Cf. A020882.

Sequence in context: A313393 A313394 A313395 * A053029 A313396 A282740

Adjacent sequences:  A134958 A134959 A134960 * A134962 A134963 A134964

KEYWORD

nonn

AUTHOR

Hans Isdahl, Feb 03 2008

STATUS

approved

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Last modified July 23 16:14 EDT 2019. Contains 325258 sequences. (Running on oeis4.)