0,3
Table of n, a(n) for n=0..18.
Sequence in context: A029765 A068128 A013222 * A133472 A213873 A219771
Adjacent sequences: A013225 A013226 A013227 * A013229 A013230 A013231
sign
Patrick Demichel (patrick.demichel(AT)hp.com)
approved