Number of all 1-tuples, 2-tuples, ..., n-tuples where each entry is chosen from the nonempty subsets of {1,..,n}.

A392321

Number of all 1-tuples, 2-tuples, ..., n-tuples where each entry is chosen from the nonempty subsets of {1,..,n}.

Terms

    a(0) =1a(1) =12a(2) =399a(3) =54240a(4) =29583455a(5) =63531945792

External references