0,5

Equals 2*A062311(n) except when n=3.

Cf. A062311.

Adjacent sequences: A140085 A140086 A140087 this_sequence A140089 A140090 A140091

Sequence in context: A090574 A080373 A058809 this_sequence A011855 A004404 A001788

nonn

Leroy Quet and others, May 02 2008