Twin prime averages which are also the sum of the divisors of a triangular number.

Terms

a(0) =4a(1) =12a(2) =18a(3) =72a(4) =192a(5) =270a(6) =1488a(7) =1872a(8) =1482a(9) =1872a(10) =1152a(11) =2268a(12) =6552a(13) =3672a(14) =6552a(15) =10890a(16) =3528a(17) =5280a(18) =7560a(19) =7488a(20) =13680a(21) =23040a(22) =17388a(23) =29760a(24) =21600a(25) =23040a(26) =65520a(27) =87120a(28) =51480a(29) =34848