43771

Appears in sequences

• a(n) = A055086(n!).at n=11A078160
• a(n) equals the coefficient of x^(2n-1) in the n-th iteration of x/(1-x^2) for n>=1.at n=5A185751
• Number of nX6 0..3 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=3A222498
• T(n,k)=Number of nXk 0..3 arrays with exactly floor(nXk/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=39A222500
• Number of 4Xn 0..3 arrays with exactly floor(4Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=5A222503
• a(n) = A159065(n+1) - A334701(n).at n=36A335677
• a(n) is the smallest number with exactly n divisors that are centered n-gonal numbers.at n=3A358541
• a(n) is the total number of vertices of degree 3 in Catalan word grid graphs with n parts.at n=6A390116