Triangular array read by rows: T(n,k) is the greatest prime factor of n!*k + 1, n >= 1, 1 <= k <= n.
A362779
Triangular array read by rows: T(n,k) is the greatest prime factor of n!*k + 1, n >= 1, 1 <= k <= n.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =7a(4) =13a(5) =19a(6) =5a(7) =7a(8) =73a(9) =97a(10) =11a(11) =241a(12) =19a(13) =37a(14) =601a(15) =103a(16) =131a(17) =2161a(18) =67a(19) =277a(20) =149a(21) =71a(22) =593a(23) =15121a(24) =20161a(25) =79a(26) =30241a(27) =35281a(28) =661a(29) =7331
External references
- oeis: A362779