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A191366
Number of base 3 lunar primes of length n.
0
0, 4, 4, 20, 59, 164, 544, 1730, 5471, 17765, 55050, 173906, 546893
OFFSET
1,2
LINKS
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]
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
EXTENSIONS
Additional term from David Applegate, Jun 07 2011
STATUS
approved