56187domain: NAppears in sequencesNumber of ways 2 domicules can be placed on an n X n square.at n=10A243464Szeged index of the prism graph C_n X P_2 (n >=3).at n=24A245829Number of factorizations of m^n into exactly four factors, where m is a product of two distinct primes.at n=17A277240