Index of the first prime which starts a run of n consecutive primes all congruent to each other mod 3 (or mod 6).

A276414

Index of the first prime which starts a run of n consecutive primes all congruent to each other mod 3 (or mod 6).

Terms

    a(0) =1a(1) =9a(2) =15a(3) =54a(4) =271a(5) =271a(6) =2209a(7) =11199a(8) =13717a(9) =13717a(10) =34369a(11) =136456a(12) =172146a(13) =1254203a(14) =1254203a(15) =4308948a(16) =12762142a(17) =21357253a(18) =25813464a(19) =25813464a(20) =39500857a(21) =39500857a(22) =947438659a(23) =947438659a(24) =947438659a(25) =5703167678a(26) =5703167678a(27) =16976360924a(28) =57446769091a(29) =57446769091

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