OFFSET
1,2
COMMENTS
A192775 is a subsequence.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..8347
EXAMPLE
The binary representations of 11 and of 13 are "1011" and "1101", respectively, so 11*13 = 143 belongs to the sequence.
PROG
(PARI) is(n) = if (n%2, fordiv (n, d, if (d*fromdigits(Vecrev(binary(d)), 2)==n, return (1)))); return (0)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Rémy Sigrist, Jan 21 2020
STATUS
approved