81536

Appears in sequences

• G.f.: 1/((1-x^2)^3*(1-x)^4).at n=23A060099
• Number of atoms in cluster of n layers around C_60.at n=28A063498
• McKay-Thompson series of class 24E for the Monster group.at n=35A112160
• Numbers with prime factorization pq^2r^7.at n=32A190466
• Number of (w,x,y,z) with all terms in {1,...,n} and w + x > 2y + 2z.at n=28A212564
• Triangle T(n,k) represents the coefficients of (x^16*d/dx)^n, where n=1,2,3,...; generalization of Stirling numbers of second kind A008277, Lah-numbers A008297.at n=33A223518
• Numbers k that divide A003714(k).at n=13A276488
• Numbers 4*k such that 1 is the last integer obtained when 4*k is successively divided by its divisors in increasing order.at n=43A329549
• Positions of records in A116489.at n=30A342868
• a(n) = Sum_{d|n} mu(n/d) * binomial(d,4).at n=38A346761