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Primes plus alternately 3 and 2.
1

%I #3 Mar 30 2012 17:26:16

%S 5,5,8,9,14,15,20,21,26,31,34,39,44,45,50,55,62,63,70,73,76,81,86,91,

%T 100,103,106,109,112,115,130,133,140,141,152,153,160,165,170,175,182,

%U 183,194,195,200,201,214,225,230,231,236,241,244,253,260,265,272,273

%N Primes plus alternately 3 and 2.

%F A107623(n) = prime(n) + (2 + mod(n, 2)).

%t A107623[n_]:= Prime[n] + (2 + Mod[n, 2])

%Y Cf. A107620, A107621, 107622.

%K easy,nonn

%O 1,1

%A _Zak Seidov_, May 18 2005