Initial term of a set of consecutive primes {p1, p2, p3, p4, p5} such that Sum_{k=p1..p2} d(k) = Sum_{k=p2..p3} d(k) = Sum_{k=p3..p4} d(k) = Sum_{k=p4..p5} d(k), where d(k) is the number of divisors function A000005.

A353554

Initial term of a set of consecutive primes {p1, p2, p3, p4, p5} such that Sum_{k=p1..p2} d(k) = Sum_{k=p2..p3} d(k) = Sum_{k=p3..p4} d(k) = Sum_{k=p4..p5} d(k), where d(k) is the number of divisors function A000005.

Terms

    a(0) =238820129a(1) =2219617987a(2) =3089392231a(3) =4071864457a(4) =4633981813a(5) =4710405229a(6) =4909907729a(7) =5912801617a(8) =5979418121a(9) =6639163651a(10) =7088972563a(11) =7929458543a(12) =8235321617a(13) =8540714341a(14) =8832705757a(15) =10029168811a(16) =10421237143a(17) =10680661877a(18) =11423715839a(19) =12495445649a(20) =12956275471a(21) =13250783867

External references