a(n) is the first average of a twin prime pair that is the sum of two distinct averages of twin prime pairs in exactly n ways.
A358463
a(n) is the first average of a twin prime pair that is the sum of two distinct averages of twin prime pairs in exactly n ways.
Terms
- a(0) =4a(1) =18a(2) =72a(3) =180a(4) =240a(5) =462a(6) =420a(7) =1062a(8) =660a(9) =1290a(10) =2142a(11) =2130a(12) =2550a(13) =2340a(14) =3822a(15) =6762a(16) =2310a(17) =3540a(18) =4788a(19) =6300a(20) =6360a(21) =5880a(22) =5280a(23) =6270a(24) =7350a(25) =8010a(26) =5850a(27) =15330a(28) =9240a(29) =10890
External references
- oeis: A358463