38310

Appears in sequences

• Number of line segments in regular n-gon with all diagonals drawn.at n=29A135565
• Number of transpose partition pairs of order n whose number of odd parts differ by numbers of the form 4*k + 2.at n=49A190101
• Volume of elliptic cone (rounded down) with semi-minor axis = height = n and semi-major axis = 3*n/2.at n=28A228391
• Array read by antidiagonals: T(n,k) = number of possible positions in standard Connect Four play on a board of height n and width k (n>=1, k>=1).at n=23A235610
• Number of palindromic Carlitz compositions of n.at n=40A239327
• Expansion of e.g.f. exp( log(1 - x)^2 / 2 ).at n=8A347001
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=0..n} (k*j)!* |Stirling1(n,k*j)|/(k!^j * j!).at n=63A357883
• Numbers obtained from the tribonacci triangle formed by the number of connection points in the paths obtained by Pell walk on the square grid.at n=16A378943