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A088479 Numbers n such that the lunar product of the distinct lunar prime divisors of n is equal to n. 0
9, 19, 29, 39, 49, 59, 69, 79, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 109, 129, 139, 149, 159, 169, 179, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 209, 219, 239, 249, 259, 269, 279, 289, 290, 291, 292, 293, 294, 295, 296, 297 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Includes the unit 9, the primes A087097, products of two distinct primes, etc. - N. J. A. Sloane, May 28 2011.

LINKS

Table of n, a(n) for n=1..53.

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 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.

Sequence in context: A088478 A088923 A011539 * A043525 A277596 A031499

Adjacent sequences:  A088476 A088477 A088478 * A088480 A088481 A088482

KEYWORD

nonn

AUTHOR

David Applegate, Nov 11 2003

STATUS

approved

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Last modified July 23 12:50 EDT 2017. Contains 289688 sequences.