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A144171 Numbers of rank 1 in the poset of lunar numbers. 7
8, 19, 29, 39, 49, 59, 69, 79, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 109, 209, 219, 309, 319, 329, 409, 419, 429, 439, 509, 519, 529, 539, 549, 609, 619, 629, 639, 649, 659, 709, 719, 729, 739, 749, 759, 769, 809, 819, 829, 839, 849, 859, 869, 879, 901 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Consists of 8 followed by all the lunar primes (A087097).
We have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing. - N. J. A. Sloane, Aug 06 2014
LINKS
D. Applegate, M. LeBrun and N. J. A. Sloane, Dismal Arithmetic, arxiv:1107.1130 [math.NT] (2011).
CROSSREFS
Cf. A087097.
Sequence in context: A178130 A227029 A260004 * A017485 A146270 A146222
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)