a(n) is the least positive number that can be written as p^2 + p*q + q^2 in exactly n ways where p and q are primes and p <= q.
A350655
a(n) is the least positive number that can be written as p^2 + p*q + q^2 in exactly n ways where p and q are primes and p <= q.
Terms
- a(0) =1a(1) =12a(2) =147a(3) =57603a(4) =160797a(5) =4611243a(6) =36822513a(7) =878112417a(8) =2069618187a(9) =9891199227a(10) =9098192883a(11) =27885254943a(12) =73104587283a(13) =132014176203
External references
- oeis: A350655