A170806 Primes in lunar arithmetic in base 3 written in base 3.

12, 20, 21, 22, 102, 201, 202, 212, 1002, 1012, 1021, 1022, 1102, 1201, 1202, 2001, 2002, 2011, 2012, 2021, 2022, 2101, 2102, 2112, 2122, 2201, 2202, 2212, 10002, 10012, 10021, 10022, 10112, 10121, 10122, 10211, 10212, 10221, 10222, 11002, 11102, 11201

Offset: 1

Author

N. J. A. Sloane, Sep 30 2010

Keywords

• nonn
• base

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]
• Index entries for sequences related to dismal (or lunar) arithmetic

Crossrefs

Cf. A130206.

Formula

a(n) = A007089(A130206(n)). - R. J. Mathar, Aug 06 2016