The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A141302 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A141302

Primes of the form -x^2+6*x*y+6*y^2 (as well as of the form 11*x^2+18*x*y+6*y^2).
(history; published version)

#18 by Hugo Pfoertner at Sat May 20 04:37:11 EDT 2023

STATUS

reviewed

approved

#17 by Joerg Arndt at Sat May 20 04:17:51 EDT 2023

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proposed

reviewed

#16 by Mohammed Yaseen at Sat May 20 03:46:13 EDT 2023

STATUS

editing

proposed

#15 by Mohammed Yaseen at Sat May 20 03:46:10 EDT 2023

OFFSET

0,1,1

EXTENSIONS

Offset corrected by Mohammed Yaseen, May 20 2023

STATUS

approved

editing

#14 by N. J. A. Sloane at Sun Jul 14 17:23:27 EDT 2019

STATUS

editing

approved

#13 by N. J. A. Sloane at Sun Jul 14 17:23:25 EDT 2019

CROSSREFS

Cf. A141301, A107152, A141303, A141304 (d=60).

STATUS

approved

editing

#12 by Alois P. Heinz at Tue Oct 25 14:31:08 EDT 2016

STATUS

reviewed

approved

#11 by Joerg Arndt at Tue Oct 25 12:49:36 EDT 2016

STATUS

proposed

reviewed

#10 by Jean-François Alcover at Tue Oct 25 12:46:00 EDT 2016

STATUS

editing

proposed

#9 by Jean-François Alcover at Tue Oct 25 12:45:55 EDT 2016

REFERENCES

Z. I. Borevich and Shafaewich, I. R. Shafarevich, Number Theory. Academic Press, NY, 1966.

D. B. Zagier, Zetafunktionen und quadratische Körper, Springer, 1981.

MATHEMATICA

Reap[For[p = 2, p < 3000, p = NextPrime[p], If[FindInstance[p == -x^2 + 6*x*y + 6*y^2, {x, y}, Integers, 1] =!= {}, Print[p]; Sow[p]]]][[2, 1]] (* Jean-François Alcover, Oct 25 2016 *)

STATUS

approved

editing