A154563 Averages of twin prime pairs of A074378.

18, 60, 138, 150, 1278, 1620, 2730, 4128, 6360, 11718, 13398, 17490, 20808, 23028, 28308, 29670, 51870, 61380, 69828, 73848, 78540, 92568, 97500, 115770, 138570, 166668, 176610, 193380, 200928, 258318, 304980, 430008, 500910, 518760, 536190

Offset: 1

Author

Vladimir Joseph Stephan Orlovsky, Jan 12 2009

Keywords

• nonn

Comments

18-1=17;18+1=19,...

Programs

Mathematica

q=2;lst={};s=0;Do[s+=n/q;If[Floor[s]==s,If[PrimeQ[s-1]&&PrimeQ[s+1],AppendTo[lst,s]]],{n,0,8!}];lst