75985

Appears in sequences

• Number of species of genus 1 Latin bi-trades of size n.at n=17A133163
• a(n) = floor((5^n)/(3^n - 2^n)).at n=21A191695
• Number of nonnegative integer arrays of length 2n+5 with new values 0 upwards introduced in order, no three adjacent elements all unequal, and containing the value n+1.at n=29A211850
• G.f. satisfies: A(x) = (1+x+x^2) * A(x^2)^2.at n=40A237651
• Number of vertices formed in a square by straight line segments when connecting the n-1 points between each corner that divide each edge into n equal parts to the n-1 points on the edge on the opposite side of the square.at n=16A355799