39394

Appears in sequences

• Number of odd graphical partitions.at n=9A029890
• Least positive integer multiples of angle x such that their direction cosines form a unit vector: Sum_{k>0} cos(a(k)*x)^2 = 1, where a(1)=1 and x=1.at n=16A080136
• a(n) = number of max-closed 2 X 2 X n relations.at n=5A370966