44028

Appears in sequences

• n*(n^2-2*n-1).at n=35A214446
• Number of Dyck paths of semilength n such that all eight consecutive step patterns of length 3 occur at least once.at n=6A243882
• Expansion of (eta(q^3)eta(q^6)/(eta(q)eta(q^2)))^4 in powers of q.at n=11A284607
• Triangle read by rows: T(n,m) (n >= m >= 1) = number of line segments formed by drawing the lines connecting any two of the 2*(m+n) perimeter points of an m X n grid of squares.at n=42A331454
• Array read by antidiagonals: T(n,k) (n>=1, k>=1) = number of Baxter matrices of size n X k.at n=58A347672
• Array read by antidiagonals: T(n,k) (n>=1, k>=1) = number of Baxter matrices of size n X k.at n=62A347672
• a(n) = 3/4*(3^(n + 1) - 2*n - 4*n^2 - 3).at n=9A367967