OFFSET
1,9
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..20000
FORMULA
a(2n) = 0, a(2n-1) = A001055(2n-1).
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Dec 13 2021
STATUS
approved