OFFSET
1,1
LINKS
Robert Israel, Table of n, a(n) for n = 1..10
EXAMPLE
4 is in the sequence because for k = 3, 3!*(1/1/2^1 + 1/2/2^2 + 1/3/2^3) = 4 is an integer. - Robert Israel, May 18 2014
MAPLE
select(type, [seq](k!*add(1/i/2^i, i=1..k), k=1..100), integer); # Robert Israel, May 18 2014
CROSSREFS
Cf. A069119.
KEYWORD
easy,nonn
AUTHOR
Benoit Cloitre, Apr 07 2002
STATUS
approved