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A157075
Positive integers n for which the Diophantine equation x^2 + y^2 = n^2/2 has relatively prime solutions.
0
10, 26, 34, 50, 58, 74, 82, 106, 122, 130, 146, 170, 178, 194, 202, 218, 226, 250, 274, 290, 298, 314, 338, 346, 362, 370, 386, 394, 410, 442, 458, 466, 482, 514, 530, 538, 554, 562, 578, 586, 610, 626, 634, 650, 674, 698, 706, 730, 746, 754, 778, 794, 802
OFFSET
1,1
FORMULA
a(n) = 2 * A008846(n). [From N. J. A. Sloane, Feb 24 2009]
CROSSREFS
Sequence in context: A045143 A005278 A339977 * A369668 A262998 A245021
KEYWORD
nonn
AUTHOR
Knut Angstrom (angstrom.knut(AT)telia.com), Feb 22 2009
EXTENSIONS
Edited and extended by Max Alekseyev, Apr 22 2010
STATUS
approved