Number of primes up to 10^n that are of the form (k-1)^2 + k^2.
A218208
Number of primes up to 10^n that are of the form (k-1)^2 + k^2.
Terms
- a(0) =1a(1) =4a(2) =10a(3) =26a(4) =68a(5) =175a(6) =461a(7) =1225a(8) =3349a(9) =9266a(10) =26516a(11) =76334a(12) =221763
External references
- oeis: A218208