%N Odd composite terms in A098550 that are neither primes nor terms of A251544, in order of appearance.
%C A098550 is the union of A000040, A251237, A251544, and this sequence.
%Y Cf. A098550, A000040, A251237, A251544, A253056.
%A _N. J. A. Sloane_, Jan 01 2015