

A087636


Number of ndigit lunar primes.


4




OFFSET

1,2


COMMENTS

Although a(1) through a(6) are divisible by 9, a(7) is not.


LINKS

Table of n, a(n) for n=1..9.
D. Applegate, C program for lunar arithmetic and number theory [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic"  the old name was too depressing]
D. Applegate, M. LeBrun and N. J. A. Sloane, Dismal Arithmetic [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic"  the old name was too depressing]
Index entries for sequences related to dismal (or lunar) arithmetic


CROSSREFS

Cf. A087062, A087097, A087638.
Sequence in context: A214531 A271502 A235641 * A156218 A118293 A043430
Adjacent sequences: A087633 A087634 A087635 * A087637 A087638 A087639


KEYWORD

nonn,base,more


AUTHOR

Marc LeBrun and N. J. A. Sloane, Oct 26 2003


EXTENSIONS

a(6)a(9) from David Applegate, Nov 07 2003


STATUS

approved



