0,2
Table of n, a(n) for n=0..12.
Sequence in context: A012025 A012107 A012189 * A173211 A109901 A015018
Adjacent sequences: A012073 A012074 A012075 * A012077 A012078 A012079
nonn
Patrick Demichel (patrick.demichel(AT)hp.com)
approved