42548

Appears in sequences

• Integers n > 1 such that A130280(4n^2) < n, i.e., there is an m < n, m > 1 such that 4n^2(m^2 - 1) + 1 is a square.at n=24A130281
• Combined weight, as defined at A244094, of the distinct-parts partitions of n.at n=31A234924
• Expansion of Sum_{0<i<j<k<l} q^(2*(i+j+k+l)-4)/( (1-q^(2*i-1))*(1-q^(2*j-1))*(1-q^(2*k-1))*(1-q^(2*l-1)) )^2.at n=32A365666
• Number of n edge connected unsensed planar maps with an external face in which all internal faces are triangles.at n=18A378343