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A105962 Numbers n such that prime(n^2)-n is prime. 1
2, 30, 38, 44, 74, 82, 88, 96, 106, 114, 132, 138, 140, 160, 162, 184, 230, 276, 278, 280, 298, 304, 316, 318, 332, 342, 414, 420, 428, 450, 470, 480, 540, 580, 584, 600, 638, 668, 672, 678, 680, 684, 728, 750, 754, 766, 768, 788, 798, 848, 858, 860, 902, 930 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Range[1000], PrimeQ[Prime[ #^2] - # ] &]

CROSSREFS

Cf. A064269 = prime(n)-n is prime.

Sequence in context: A022377 A145290 A127026 * A113695 A098827 A280380

Adjacent sequences:  A105959 A105960 A105961 * A105963 A105964 A105965

KEYWORD

nonn

AUTHOR

Tanya Khovanova, Dec 26 2006

STATUS

approved

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Last modified March 29 13:07 EDT 2017. Contains 284270 sequences.