1,1

Also, lucky numbers (A000959) which are congruent to 2 mod 5 (because only numbers ending in 2 could make a difference, but these are removed in the 1st step of the lucky sieve). - R. J. Mathar, Apr 29 2008

Table of n, a(n) for n=1..48.

Cf. A000959.

Sequence in context: A093342 A086110 A104914 * A123084 A123085 A128471

Adjacent sequences: A032585 A032586 A032587 * A032589 A032590 A032591

nonn,base

Patrick De Geest, april 1998.

Edited by N. J. A. Sloane, May 15 2008 at the suggestion of R. J. Mathar.

approved