Least k such that prime(k) + prime(k+1) contains n prime divisors (with multiplicity), otherwise 0.

A251600

Least k such that prime(k) + prime(k+1) contains n prime divisors (with multiplicity), otherwise 0.

Terms

    a(0) =1a(1) =0a(2) =2a(3) =5a(4) =16a(5) =20a(6) =18a(7) =43a(8) =162a(9) =190a(10) =532a(11) =916a(12) =564a(13) =3314a(14) =3908a(15) =10499a(16) =30789a(17) =53828a(18) =153384a(19) =62946a(20) =278737a(21) =364195a(22) =629686a(23) =3768344a(24) =7827416a(25) =9496221a(26) =23159959a(27) =184328920a(28) =68035462a(29) =92566977

External references