9713
This number is a composite.
{9, 7, 1, 3} is the only derangement in the 24 permutations of {1, 3, 7, 9} that remains unknown in OEIS A390417. [Edwards]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean
This number is a composite.
{9, 7, 1, 3} is the only derangement in the 24 permutations of {1, 3, 7, 9} that remains unknown in OEIS A390417. [Edwards]