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A204993 Negative of the discriminant of quadratic field Q(sqrt(-n)). 2
4, 8, 3, 4, 20, 24, 7, 8, 4, 40, 11, 3, 52, 56, 15, 4, 68, 8, 19, 20, 84, 88, 23, 24, 4, 104, 3, 7, 116, 120, 31, 8, 132, 136, 35, 4, 148, 152, 39, 40, 164, 168, 43, 11, 20, 184, 47, 3, 4, 8, 51, 52, 212, 24, 55, 56, 228, 232, 59, 15, 244, 248, 7, 4, 260 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
For the discriminant of the quadratic field Q(sqrt(n)), see A037449.
LINKS
MATHEMATICA
-Table[NumberFieldDiscriminant[Sqrt[-n]], {n, 1, 70}]
CROSSREFS
Cf. A037449.
Sequence in context: A300690 A193077 A271871 * A234001 A248946 A232808
KEYWORD
nonn
AUTHOR
Artur Jasinski, Jan 27 2012
STATUS
approved

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Last modified March 19 03:33 EDT 2024. Contains 370952 sequences. (Running on oeis4.)