First prime starting a chain of exactly n consecutive primes congruent to 5 modulo 6.

Terms

a(0) =5a(1) =23a(2) =47a(3) =251a(4) =1889a(5) =7793a(6) =43451a(7) =243161a(8) =726893a(9) =759821a(10) =2280857a(11) =1820111a(12) =10141499a(13) =40727657a(14) =19725473a(15) =136209239a(16) =744771077a(17) =400414121a(18) =1057859471a(19) =489144599a(20) =13160911739a(21) =766319189a(22) =38451670931a(23) =119618704427a(24) =21549657539a(25) =141116164769a(26) =140432294381a(27) =437339303279