Smallest prime p such that 2*p+1 has n prime factors (with multiplicity).

Terms

a(0) =2a(1) =7a(2) =13a(3) =67a(4) =283a(5) =607a(6) =1093a(7) =12757a(8) =22963a(9) =49207a(10) =482233a(11) =1623847a(12) =797161a(13) =14614627a(14) =19929037a(15) =35872267a(16) =150663523a(17) =2044719247a(18) =1355971711a(19) =9879222469a(20) =37773497677a(21) =200490103057a(22) =172595827849a(23) =235357947067