43072

Appears in sequences

• Susceptibility series for diamond.at n=5A002923
• Numbers n such that n, n+1, n+2, n+3, n+4 are all of the form x^2+2*y^2 for nonnegative x, y.at n=23A096783
• Coordination sequence for D_16 lattice.at n=2A107511
• Triangle T(n,k) = sum_{0<=j<=k/2} A034867(k,j)*prime(n)^j, read by rows, 0<=k<n.at n=51A140894
• Numbers n such that the sum of the squares of the digits of n^n is a square.at n=26A171976
• Number of 2 X 2 matrices having all terms in {-n,...,0,...,n} and determinant >= 2n.at n=8A211152
• Number of (w,x,y,z) with all terms in {0,...,n} and at least one of these conditions holds: w=R, x<R, y<R, z<R, where R = max{w,x,y,z} - min{w,x,y,z}.at n=14A212749
• Number of partitions of n such that 2*(least part) < number of parts.at n=40A237758
• a(n) = [x^n](x - 2*x^3)/(1 - 2*x*(x + 1))^2.at n=10A331319