52148

Appears in sequences

• Number of 2-sided strip polypons with n cells.at n=35A151533
• Number of 4-step one space leftwards or up, two space rightwards or down asymmetric rook's tours on an n X n board summed over all starting positions.at n=31A187299
• Number of nondecreasing arrangements of 5 numbers in -(n+3)..(n+3) with sum zero and not more than two numbers equal.at n=23A188238