A065296 Values of n such that A065295(n) = 1.

2, 3, 5, 11, 53, 59, 83, 107, 179, 227, 269, 293, 317, 347, 389, 467, 557, 563, 587, 797, 1019, 1109, 1187, 1259, 1283, 1307, 1523, 1579, 1619, 1733, 1907, 2027, 2099, 2459, 2477, 2579, 2693, 2819, 2909, 2957, 2963, 3203, 3413, 3467, 3779, 3803, 3947, 4139

Offset: 1

Author

Jonathan Ayres (jonathan.ayres(AT)btinternet.com), Oct 28 2001

Keywords

• nonn

Comments

For all these the only value of s such that s^s mod n = s is s=1; all the values appear to be primes.

Links

• Harry J. Smith, Table of n, a(n) for n = 1..100

Crossrefs

Cf. A065295.

Programs

PARI

isok(k) = { for (s=2, k - 1, if (Mod(s, k)^s == s, return(0))); k > 1 } \\ Harry J. Smith, Oct 15 2009

Extensions

Corrected by T. D. Noe, Nov 01 2006