A076772 Even numbers n representable as the sum of 2 coprime odd composites.

34, 44, 46, 52, 58, 62, 64, 68, 74, 76, 82, 86, 88, 92, 94, 98, 100, 102, 104, 106, 112, 114, 116, 118, 122, 124, 128, 130, 134, 136, 142, 144, 146, 148, 152, 154, 156, 158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 182, 184, 186, 188, 190, 192, 194

Offset: 0

Author

Jon Perry, Nov 14 2002

Keywords

• nonn

Comments

As the comment in A096076 indicates, 210 is the largest even number not in this sequence. - Franklin T. Adams-Watters, Sep 07 2006

Examples

			34=25+9
		

Crossrefs

Cf. A096076.

Programs

PARI

v=vector(5000); vc=1; forstep (n=9,300,2, if (isprime(n),continue, forstep (j=9,300,2,if (gcd(n,j)==1, if (isprime(j),continue,x=n+j; fl=true; for (i=1,vc,if (v[i]==x,fl=false; break)); if (fl==true,v[vc]=x; vc++)))))); print(vc); v=vecsort(vecextract(v,concat("1..",vc-1)))