A133626 Numbers that are lunar products of exactly 2 lunar primes.

119, 129, 139, 149, 159, 169, 179, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 229, 239, 249, 259, 269, 279, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 339, 349, 359, 369, 379, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 449, 459, 469

Offset: 1

Author

N. J. A. Sloane, Aug 14 2010, Aug 16 2010

Keywords

• nonn
• base

Comments

A subsequence of A087984.

Links

• David Applegate, Table of n, a(n) for n = 1..12319
• David Applegate, Factorizations of all 9-ish numbers with <= 5 digits into products of lunar primes
• 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. A087097, A087984, A134211, A171004.