A112432 Carmichael numbers equal to the product of 9 primes.

9746347772161, 11537919313921, 11985185775745, 14292786468961, 23239986511105, 24465723528961, 26491881502801, 27607174936705, 30614445878401, 30912473358481, 34830684315505, 51620128928641

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Example

a(1) = 9746347772161 = 7*11*13*17*19*31*37*41*641.

Prog

(PARI) is(n)={omega(n)==9&&is_A002997(n)} \\ M. F. Hasler, Apr 14 2015

Crossrefs

Cf. A002997, A087788, A141711, A074379, A112428, A112429, A112430, A112431, A006931.

Sequence in context: A017532 A175272 A104833 * A230100 A122966 A288264

Adjacent sequences: A112429 A112430 A112431 * A112433 A112434 A112435

Keyword

easy,nonn

Author

Shyam Sunder Gupta, Dec 11 2005

Status

approved