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A099183 Primes of the form p^2 + p - q, where p and q are consecutive primes. 1
3, 7, 23, 523, 839, 2203, 2803, 5039, 5323, 6883, 11447, 27883, 36479, 57119, 69163, 128873, 134683, 139123, 146683, 218077, 229433, 253003, 310243, 323759, 351643, 368443, 418603, 458323, 579113, 635197, 703907, 776159, 896803, 993997, 1067083 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[ Table[ Prime[n]^2 + Prime[n] - Prime[n + 1], {n, 175}], PrimeQ[ # ] &] (* Robert G. Wilson v, Nov 16 2004 *)

Select[#[[1]]^2+#[[1]]-#[[2]]&/@Partition[Prime[Range[300]], 2, 1], PrimeQ] (* Harvey P. Dale, Aug 19 2015 *)

CROSSREFS

Sequence in context: A001773 A067604 A090118 * A316792 A110864 A046102

Adjacent sequences:  A099180 A099181 A099182 * A099184 A099185 A099186

KEYWORD

nonn

AUTHOR

Giovanni Teofilatto, Nov 15 2004

EXTENSIONS

Edited, corrected and extended by Robert G. Wilson v, Nov 16 2004

STATUS

approved

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Last modified April 20 09:21 EDT 2021. Contains 343125 sequences. (Running on oeis4.)