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A110967 Numbers n such that 23*n^2 + 49 is prime. 0
6, 12, 24, 30, 66, 78, 120, 144, 150, 156, 180, 198, 228, 240, 246, 258, 264, 270, 276, 288, 312, 318, 360, 366, 384, 390, 444, 456, 498, 516, 522, 540, 558, 594, 600, 612, 618, 654, 666, 690, 738, 816, 828, 858, 864, 870, 888, 900, 936, 948, 984, 1002, 1020 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Emre Alkan, Alexandru Zaharescu, Nonvanishing of the Ramanujan tau function in short intervals, International Journal of Number Theory, Vol. 1, No. 1 (2005) 45-51.

EXAMPLE

23*156^2 + 49 = 559777 (prime).

PROG

(MAGMA) [ n: n in [0..1500] | IsPrime( 23*n^2 + 49) ] [From Vincenzo Librandi, Jan 31 2011]

CROSSREFS

Sequence in context: A069171 A071611 A119500 * A000082 A106697 A140522

Adjacent sequences:  A110964 A110965 A110966 * A110968 A110969 A110970

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Sep 26 2005

EXTENSIONS

Edited by Don Reble (djr(AT)nk.ca), Nov 08 2005

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Last modified February 15 09:49 EST 2012. Contains 205763 sequences.