OFFSET
0,4
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..1000 (first 257 terms from Antti Karttunen)
FORMULA
a(n) = 2^n - A285103(n).
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Apr 15 2017
STATUS
approved