91301domain: NAppears in sequencesNumber of nondecreasing strings of numbers x(i=1..n) in -4..4 with sum x(i)^3 equal to 0.at n=31A188272Number of ordered n-tuples of integers from [ 1..n ] with no global factor.at n=9A345131a(n) = (n+1)^2 * (n!)^3 * Sum_{k=1..n} 1/((k+1)^2 * (k!)^3).at n=4A368789