Start of record gap in even semiprimes (A100484).

Terms

a(0) =4a(1) =6a(2) =14a(3) =46a(4) =178a(5) =226a(6) =1046a(7) =1774a(8) =2258a(9) =2654a(10) =19102a(11) =31366a(12) =39218a(13) =62794a(14) =311842a(15) =721306a(16) =740522a(17) =984226a(18) =2699066a(19) =2714402a(20) =4021466a(21) =9304706a(22) =34103414a(23) =41662646a(24) =94653386a(25) =244329494a(26) =379391318a(27) =383825566a(28) =774192266