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%I #14 Jan 26 2023 15:08:14
%S 5,9,13,21,25,33,45,49,61,69,73,81,85,105,109,129,133,141,153,165,169,
%T 181,193,201,213,225,229,241,253,265,273,285,309,313,333,349,361,369,
%U 381,385,421,433,441,445,465,469,481,489,493,501,505,525,549,565,573
%N n-2 is a prime of the form 4*k+3.
%D M. Cerasoli, F. Eugeni and M. Protasi, Elementi di Matematica Discreta, Bologna 1988.
%D Emanuele Munarini and Norma Zagaglia Salvi, Matematica Discreta,UTET, CittaStudiEdizioni, Milano 1997.
%F a(n) = A087915(n)+ A089193(n)
%t Select[4*Range[0,200]+3,PrimeQ]+2 (* _Harvey P. Dale_, Jun 04 2017 *)
%Y Cf. A087915, A089193.
%K easy,nonn
%O 1,1
%A _Giovanni Teofilatto_, Dec 10 2003
%E Offset corrected by _Arkadiusz Wesolowski_, Aug 09 2011
%E Corrected and extended by _Harvey P. Dale_, Jun 04 2017