0,5
Table of n, a(n) for n=0..8.
Cf. A254248, A255816, A255971, A256163, A256238.
Sequence in context: A291950 A358949 A067999 * A270553 A308657 A156193
Adjacent sequences: A256161 A256162 A256163 * A256165 A256166 A256167
nonn,more
Arkadiusz Wesolowski, Mar 17 2015
approved