Product of twin primes minus 1.

Terms

a(0) =14a(1) =34a(2) =142a(3) =322a(4) =898a(5) =1762a(6) =3598a(7) =5182a(8) =10402a(9) =11662a(10) =19042a(11) =22498a(12) =32398a(13) =36862a(14) =39202a(15) =51982a(16) =57598a(17) =72898a(18) =79522a(19) =97342a(20) =121102a(21) =176398a(22) =186622a(23) =213442a(24) =272482a(25) =324898a(26) =359998a(27) =381922a(28) =412162a(29) =435598