Solutions to x+phi(x) = sigma(x)/2.

Terms

a(0) =456a(1) =828a(2) =7584a(3) =33462a(4) =1596048a(5) =1964544a(6) =19800384a(7) =26211264a(8) =31451136a(9) =106805184a(10) =156868224a(11) =316113024a(12) =502349274a(13) =503291904a(14) =1557940992a(15) =8024671392a(16) =8052965376a(17) =11697091872a(18) =22149447168a(19) =87877745664a(20) =443520605184a(21) =626058783744