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A155488 Primes p with property that p^2 is of the form x^2+40y^2. 0
7, 11, 13, 19, 23, 37, 41, 47, 53, 59, 89, 103, 127, 131, 139, 157, 167, 173, 179, 197, 211, 223, 241, 251, 263, 277, 281, 293, 317, 331, 367, 373, 379, 383, 397, 401, 409, 419, 449, 463, 487, 491, 499, 503, 521, 557, 569, 571, 601, 607, 613, 619, 641, 647 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

All p^2 are congruent to {1, 9} (mod 40), as in A107145.

LINKS

Table of n, a(n) for n=1..54.

Zak Seidov, First 1000 terms

CROSSREFS

A107145 Primes of the form x^2+40y^2.

Sequence in context: A160024 A063911 A087489 * A100350 A084467 A245179

Adjacent sequences:  A155485 A155486 A155487 * A155489 A155490 A155491

KEYWORD

nonn

AUTHOR

Zak Seidov, Jan 23 2009

STATUS

approved

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Last modified June 24 15:05 EDT 2017. Contains 288697 sequences.