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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
OFFSET
1,1
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 (duplicates removed), A055096.
Sequence in context: A072284 A242898 A230486 * A004431 A025302 A268379
KEYWORD
nonn
EXTENSIONS
Name edited by Zak Seidov, Apr 08 2011
STATUS
approved