87489

Appears in sequences

• Difference between sum of largest parts and sum of smallest parts of all partitions of n into an odd number of parts.at n=36A211870
• Rounded down ratio of area of a unit circle and one of the circles inscribed between a regular n-gon and a circumscribed unit circle.at n=24A244094
• Number of n X 4 0..1 arrays with each 1 adjacent to 3 or 6 king-move neighboring 1s.at n=17A296309