91557

Appears in sequences

• Integers expressible as x^3 + 2*y^3 (x, y > 0) in two ways.at n=22A219725
• a(n)/n! is the average number of key comparisons required to sort n records with distinct keys using a modified heapsort (Algorithm H in Don Knuth's TAOCP Vol. 3, answer to exercise 18).at n=5A350569