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

1,1

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

Prog

(PARI) { n=0; for (m = 2, 10^9, a=1; for (s=2, m - 1, if (s^s % m == s, a++; break)); if (a==1, write("b065296.txt", n++, " ", m); if (n==100, return)) ) } [Harry J. Smith, Oct 15 2009]

Crossrefs

Cf. A065295.

Sequence in context: A109462 A357305 A000905 * A114895 A083685 A243755

Adjacent sequences: A065293 A065294 A065295 * A065297 A065298 A065299

Keyword

nonn

Author

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

Extensions

Corrected by T. D. Noe, Nov 01 2006

Status

approved