OFFSET
1,1
COMMENTS
Gives the positions of odd terms in A249733.
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..10000
FORMULA
a(n) = 2 * A249719(n).
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 14 2014
STATUS
approved