Chen (1+ 2) Theorem

Chen Theorem 陈景润 @1966‘1+2’ 陈式定理

2n= p1 + p2 (Goldbach Conjecture "1+1")
or
2n = p1+ p2*p3 (Chen Theorem "1+2")

Examples:
62 = 43 + 19
62= 7 + 5*11