1,1

Table of n, a(n) for n=1..18.

E. L. Blanton, Jr., S. P. Hurd and J. S. McCranie, On a digraph defined by squaring modulo n, Fibonacci Quart. 30 (Nov. 1992), 322-333.

(PARI) is(n)=ispseudoprime(2047*2^n+1) \\ Charles R Greathouse IV, Jun 13 2017

Sequence in context: A032500 A053474 A072204 * A255217 A048747 A175678

Adjacent sequences: A037174 A037175 A037176 * A037178 A037179 A037180

nonn,hard

Jud McCranie

The term 738 was omitted from the reference. 4 more terms Jun 15 1998.

approved