A191420 - OEIS

A191420

Templates for lunar primes in any base (version 3).

11, 101, 1001, 1011, 10001, 10011, 10111, 12021, 12022, 100001, 100011, 100101, 100111, 101011, 101221, 101222, 102201, 102202, 102212, 102221, 103223, 103233, 110212, 112021, 112022, 120021, 120022, 120212, 120221, 120222, 121022, 121102, 122102, 122202, 132023, 133023

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OFFSET

1,1

COMMENTS

Every lunar pseudoprime can be obtained by promoting one of the first these terms or its reversal. The first 36 terms are enough to generate all lunar pseudoprimes with at most 6 digits.

LINKS

Table of n, a(n) for n=1..36.

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]

D. Applegate, M. LeBrun, N. J. A. Sloane, Dismal Arithmetic, J. Int. Seq. 14 (2011) # 11.9.8.

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

CROSSREFS

Cf. A088574, A171750, A171752.

Sequence in context: A289850 A351811 A171750 * A118937 A031997 A116098

Adjacent sequences: A191417 A191418 A191419 * A191421 A191422 A191423

KEYWORD

nonn,base

AUTHOR

David Applegate and N. J. A. Sloane, Jun 02 2011

STATUS

approved