970921

Appears in sequences

• Sum of three edges of box having both integral orthogonal sides and integral geodesic distances between opposite vertices.at n=20A095257
• Number of length 5+2 0..n arrays with some pair in every consecutive three terms totalling exactly n.at n=17A245874
• Semiperimeter of the unique primitive Pythagorean triple whose short leg is A002315(n) and such that its long leg and its hypotenuse are consecutive natural numbers.at n=4A377016