Primes of the form k^6 + k^5 + k^4 + k^3 + k^2 + k + 1 where k is nonprime.
A194194
Primes of the form k^6 + k^5 + k^4 + k^3 + k^2 + k + 1 where k is nonprime.
Terms
- a(0) =7a(1) =55987a(2) =8108731a(3) =321272407a(4) =3092313043a(5) =4201025641a(6) =9684836827a(7) =31401724537a(8) =47446779661a(9) =83925549247a(10) =100343116693a(11) =141276239497a(12) =265462278481a(13) =438668366137a(14) =654022685443a(15) =742912017121
External references
- oeis: A194194