A088471 Lunar product of distinct lunar prime divisors of n.
9, 9, 9, 9, 9, 9, 9, 9, 9, 90, 123456789987654321, 19, 19, 19, 19, 19, 19, 19, 19, 90, 91, 2345678998765432, 29, 29, 29, 29, 29, 29, 29, 90, 91, 92, 34567899876543, 39, 39, 39, 39, 39, 39, 90, 91, 92, 93, 456789987654, 49, 49, 49, 49, 49, 90, 91, 92
Offset: 1
Keywords
Links
- D. Applegate, C program for lunar arithmetic and number theory [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing]
- 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
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