1,1

These are called e-type primes.

Table of n, a(n) for n=1..53.

Index entries for sequences related to carryless arithmetic

A169887 = A163396 union A169984.

Sequence in context: A169887 A007929 A143712 * A169903 A095447 A095443

Adjacent sequences: A163393 A163394 A163395 * A163397 A163398 A163399

nonn,base

David Applegate, Marc LeBrun and N. J. A. Sloane, Aug 24 2010

approved