Natural numbers n such that Sum_{k = 1..pi(n)-1} p(k) == p(pi(n)) mod n, where p(k) denotes the k-th prime and pi(n) is the number of primes strictly less than n.
A196223
Natural numbers n such that Sum_{k = 1..pi(n)-1} p(k) == p(pi(n)) mod n, where p(k) denotes the k-th prime and pi(n) is the number of primes strictly less than n.
Terms
- a(0) =6a(1) =7a(2) =15a(3) =27a(4) =41a(5) =55a(6) =172a(7) =561a(8) =1334a(9) =6571a(10) =11490a(11) =429705a(12) =2173016a(13) =4417701a(14) =9063353a(15) =9531624a(16) =40411847a(17) =64538709a(18) =83537963a(19) =121316228a(20) =181504240a(21) =222586609
External references
- oeis: A196223