Averages q of twin prime pairs, such that q concatenated to q is also the average of a twin prime pair.

A235109

Averages q of twin prime pairs, such that q concatenated to q is also the average of a twin prime pair.

Terms

    a(0) =42a(1) =102a(2) =108a(3) =180a(4) =192a(5) =270a(6) =312a(7) =420a(8) =522a(9) =660a(10) =822a(11) =882a(12) =1230a(13) =1482a(14) =4242a(15) =4788a(16) =8820a(17) =10332a(18) =11550a(19) =13692a(20) =14550a(21) =14562a(22) =14868a(23) =15732a(24) =17910a(25) =18522a(26) =20550a(27) =21648a(28) =22620a(29) =23670

External references