Semiprimes where the sum of the digits equals the difference between the prime factors.

A308821

Semiprimes where the sum of the digits equals the difference between the prime factors.

Terms

    a(0) =14a(1) =95a(2) =527a(3) =851a(4) =1247a(5) =3551a(6) =4307a(7) =8051a(8) =14351a(9) =26969a(10) =30227a(11) =37769a(12) =64769a(13) =87953a(14) =152051a(15) =163769a(16) =199553a(17) =202451a(18) =256793a(19) =275369a(20) =341969a(21) =455369a(22) =1070969a(23) =1095953a(24) =1159673a(25) =1232051a(26) =1625369a(27) =1702769a(28) =2005007a(29) =2081993

External references