115596

Appears in sequences

• Series expansion for mean-squared radius of gyration of rectangles on square lattice.at n=12A121782
• Number of Motzkin trees that are "uniquely closable skeletons".at n=24A300126
• The sum of the numbers that are inside the contour of an n-story Christmas tree drawn at the top of the numerical pyramid containing the positive integers in natural order.at n=12A358994