OFFSET
1,2
COMMENTS
Numbers n whose product of digits is 1, 2, 3, 5, 8, 21, or 144 (these being the only 7-smooth Fibonacci numbers). - Robert Israel, Jan 26 2020
LINKS
Robert Israel, Table of n, a(n) for n = 1..10000
MAPLE
select(t -> member(convert(convert(t, base, 10), `*`), [1, 2, 3, 5, 8, 21, 144]), [$1..999]); # Robert Israel, Jan 26 2020
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
EXTENSIONS
More terms from Erich Friedman.
Name clarified and offset changed by Robert Israel, Jan 26 2020
STATUS
approved