42916

Appears in sequences

• Number of ordered quadruples of integers from [ 1,n ] with no common factors between triples.at n=34A015635
• Number of 4-step one or two space at a time bishop's tours on an n X n board summed over all starting positions.at n=13A187048
• Expansion of Product_{k>=1} (1 + x^k)^binomial(2*k,k).at n=8A344130