192780

Appears in sequences

• a(n) = 3^4 * binomial(n+3, 4).at n=13A102741
• a(n) = (9/2)*(n-1)*(n-2)*(n-3).at n=36A134171
• Numbers with prime factorization pqrs^2t^4.at n=25A190384
• Number of (w,x,y,z) with all terms in {0,...,n}, w odd, x and y even.at n=34A212761
• a(n) = Sum(k^6*sigma(k)*sigma(n-k),k=1..n-1).at n=5A259694
• G.f. satisfies A(x) = 1 + x^3*A(x)^2*(1 + x*A(x)).at n=26A365723
• Expansion of e.g.f. 1 / (1 + x * log(1 - x^2/2))^2.at n=9A375237