A088479 - OEIS

A088479

Numbers n such that the lunar product of the distinct lunar prime divisors of n is equal to n.

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]

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