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A174613
Number of five-prime Carmichael numbers less than 10^n.
10
0, 0, 0, 0, 0, 0, 1, 3, 27, 146, 492, 1336, 3156, 7082, 14938, 29282, 55012, 100707, 178063, 306310, 514381, 846627, 1370257
OFFSET
0,8
LINKS
EXAMPLE
For n=6, the smallest Carmichael number with 5 prime factors is 825265 = 5*7*17*19*73.
CROSSREFS
For k-prime Carmichael numbers up to 10^n for k = 3,4,...,11, see A132195, A174612, A174613, A174614, A174615, A174616, A174617, A299710, A299711.
Sequence in context: A080424 A285008 A001796 * A341566 A354655 A127509
KEYWORD
nonn,more
AUTHOR
Michel Lagneau, Mar 23 2010
EXTENSIONS
a(22) from Claude Goutier added by Amiram Eldar, Apr 19 2024
STATUS
approved