105472

Appears in sequences

• Expansion of (1-x)/(1+2*x+2*x^2+2*x^3).at n=26A078071
• Numbers with 22 divisors.at n=25A137485
• Number of (n+1) X (n+1) 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock differing from the number in all its horizontal and vertical neighbors.at n=10A205064
• a(n) = (3*n+7)*n^2.at n=32A257042
• Numbers with palindromic order 5.at n=25A261912
• Number of subsets of {2..n} containing the product of any set of distinct elements whose product is <= n.at n=18A308542
• Number of subsets of {1..n} containing the product of any set of distinct elements whose product is <= n.at n=18A326081
• Irregular triangular array, read by rows: row n shows the coefficients of the polynomial p(n,x) defined in Comments.at n=14A329432
• G.f. satisfies A(A(A(A(x)))) = F(x), where F(x) is the g.f. for A002697(n) = n*4^(n-1).at n=10A372492