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A331249 Squared numerator of y-coordinate of 3rd point of n-th triangle with integer sides in a sorted list corresponding to A331247. The y-coordinate is given by sqrt(a(n))/A331248(n). 2
3, 15, 35, 3, 63, 63, 99, 8, 135, 143, 195, 231, 15, 27, 255, 275, 80, 323, 351, 24, 399, 455, 483, 495, 55, 35, 575, 16, 663, 675, 75, 735, 48, 12, 783, 91, 855, 224, 899, 935, 975, 63, 63, 1023, 1071, 1071, 1155, 135, 1235, 80, 320, 1295, 1311, 21, 1443, 1463 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
a(1) = 3 because the 3rd point of the smallest triangle with integer sides (1,1,1) is at (x,y)=(1/2,sqrt(3)/2), A331247(1)=1, A331248(1)=2.
See A331247 for an extended list.
CROSSREFS
Sequence in context: A086380 A324303 A009261 * A102790 A317182 A236693
KEYWORD
nonn
AUTHOR
Hugo Pfoertner, Jan 23 2020
STATUS
approved

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Last modified March 28 16:12 EDT 2024. Contains 371254 sequences. (Running on oeis4.)