18063360

Appears in sequences

• Number of spanning trees with degrees 1 and 3 in K_3 X P_2n.at n=7A003691
• Smallest number beginning with the digits of n that has exactly n prime factors (counted with multiplicity).at n=17A109686
• a(n) = denominator(n!/floor(n/2)!^4).at n=16A193477
• a(n) = denominator(n!/floor(n/2)!^4).at n=17A193477
• Denominators of a sequence defined by a modified recurrence for the exponential of the von Mangoldt function.at n=40A277440