1,1

Primes 3 less than the sum of two consecutive primes.

Vincenzo Librandi, Table of n, a(n) for n = 1..5000

2 = prime(1)+prime(2)-3 = 2+3-3 has the requested format and is added to the sequence.

5= prime(2)+prime(3)-3= 3+5-3 has the requested format and is added to the sequence.

97 = prime(15)+prime(16)-3 = 47+53-3.

Select[Table[Prime[n] + Prime[n + 1] - 3, {n, 600}], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Feb 22 2012 *)

Sequence in context: A215797 A262325 A290871 * A120800 A277341 A066618

Adjacent sequences: A162566 A162567 A162568 * A162570 A162571 A162572

nonn

Claudio Meller, Jul 06 2009

Definition rephrased by R. J. Mathar, Aug 07 2009

approved