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A057616
Lucky numbers that are the product of the first m lucky numbers for some m.
2
1, 3, 21, 189, 36855, 773955
OFFSET
1,2
COMMENTS
If it exists, a(7) > 732374267624.
Intersection of A000959 and A256625. - Chayim Lowen, Jul 14 2015
EXAMPLE
1 * 3 * 7 * 9 * 13 * 15 = 36855, which is a lucky number.
CROSSREFS
Sequence in context: A358990 A059863 A256625 * A212072 A212029 A219535
KEYWORD
nonn,hard
AUTHOR
Naohiro Nomoto, Oct 09 2000
EXTENSIONS
One more term from Sascha Kurz, Oct 12 2001
STATUS
approved