A177996 For prime p=A000040(n), the smallest prime divisor of (p-1)^p+1 other than p.

41, 29, 23, 79, 354689, 1961870762757168078553, 47, 40427, 4093, 4441, 2543, 1033, 659, 181194015068926422899222020415627, 394502321, 22742387, 36583, 569, 14747, 12641, 167, 407987015619859919, 100493, 3679329001

Offset

3,1

Links

Tyler Busby, Table of n, a(n) for n = 3..43 (terms 3..36 from Max Alekseyev)

H. Mishima, Factorizations of Cyclotomic Numbers.

Crossrefs

Cf. A128677

Sequence in context: A321570 A196045 A196042 * A217159 A291473 A155769

Adjacent sequences: A177993 A177994 A177995 * A177997 A177998 A177999

Keyword

hard,nonn

Author

Max Alekseyev, May 16 2010

Status

approved