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A033232 Primes of form x^2+47*y^2. +0
4
47, 83, 191, 197, 269, 439, 487, 523, 619, 761, 823, 907, 947, 977, 1193, 1277, 1319, 1447, 1481, 1499, 1579, 1693, 1709, 1741, 1811, 1861, 1867, 2053, 2213, 2221, 2273, 2339, 2351, 2447, 2539, 2777 (list; graph; listen)
OFFSET

1,1

COMMENT

Also primes of the form x^2-xy+12y^2 with x and y nonnegative. - T. D. Noe (noe(AT)sspectra.com), May 08 2005

REFERENCES

D. Cox, "Primes of Form x^2 + n y^2", Wiley, 1989.

CROSSREFS

Sequence in context: A132257 A132255 A142041 this_sequence A139968 A132451 A004943

Adjacent sequences: A033229 A033230 A033231 this_sequence A033233 A033234 A033235

KEYWORD

nonn

AUTHOR

njas

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.


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