Largest prime factor of n! + k where k is the least positive integer such that n! + k is a square.

A083397

Largest prime factor of n! + k where k is the least positive integer such that n! + k is a square.

Terms

    a(0) =0a(1) =2a(2) =3a(3) =5a(4) =11a(5) =3a(6) =71a(7) =67a(8) =67a(9) =127a(10) =13a(11) =509a(12) =137a(13) =37a(14) =71471a(15) =71471a(16) =409993a(17) =941351a(18) =24419a(19) =287093a(20) =7147792819a(21) =110647261a(22) =80392811773a(23) =4716679469a(24) =4716679469a(25) =323905128133a(26) =8392290961a(27) =551615338229a(29) =73669621631

External references