A349028 Lucas-Carmichael numbers with 9 prime factors.

14563696180319, 16569718534655, 20203946790335, 22034564147519, 23315834862719, 23889526894079, 27074874805055, 28932092649215, 31534433588735, 34236981827279, 34249223161439, 45373136257295, 45593377151399, 50103079391519, 50415330959279, 50683388926247

Offset: 1

Author

Tim Johannes Ohrtmann, Nov 06 2021

Keywords

• nonn

Examples

			14563696180319 = 11*13*17*23*29*41*47*59*79 and 12, 14, 18, 24, 30, 42, 48, 60, and 80 all divide 14563696180320.
		

Links

• Daniel Suteu, Table of n, a(n) for n = 1..14207 (all terms < 10^17).

Crossrefs

Intersection of A006972 and A046312.

Cf. A216928 (least Lucas-Carmichael number with n prime factors).

Cf. A216925, A216926, A216927, A217002, A217003, A217091, A349029, A349030 (Lucas-Carmichael numbers with 3-8, 10 and 11 prime factors).

Programs

PARI

is(n)={omega(n)==9&&is_A006972(n)}