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A024507 Numbers that are the sum of 2 distinct nonzero squares (with repetition). 12
5, 10, 13, 17, 20, 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, 173, 178, 180, 181, 185, 185, 193 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Zak Seidov, Table of n, a(n) for n = 1..3842

Index entries for sequences related to sums of squares

MATHEMATICA

nn=10000; A024507=Table[x^2+y^2, {x, Sqrt[nn]}, {y, x+1, Sqrt[nn-x^2]}]//Flatten//Sort (* Zak Seidov, Apr 07 2011*)

CROSSREFS

Cf. A009000, A009003, A024507, A004431, A055096.

Sequence in context: A050127 A185450 A072284 * A004431 A025302 A055096

Adjacent sequences:  A024504 A024505 A024506 * A024508 A024509 A024510

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

EXTENSIONS

NAME edited  by Zak Seidov (zakseidov(AT)yahoo.com), Apr 08 2011

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Last modified February 16 16:34 EST 2012. Contains 205938 sequences.