5644800

Appears in sequences

• Number of n X n binary matrices with no 0 rows or columns and with n+1 1's.at n=7A055602
• Orders of the finite groups GL_2(K) when K is a finite field with q = A246655(n) elements.at n=22A059238
• Triangle T(r,n) read by rows: number of n X n (0,1)-matrices with exactly r entries equal to 1 and no zero row or columns.at n=43A104601
• Triangle of denominators of the cube of a certain lower triangular matrix.at n=28A119932
• Triangle of denominators of the cube of a certain lower triangular matrix.at n=29A119932
• Triangle of denominators of the cube of a certain lower triangular matrix.at n=30A119932
• Triangle of denominators of the cube of a certain lower triangular matrix.at n=31A119932
• Least common multiple (LCM) of denominators of the rows of the triangle of rationals A119935/A119932.at n=7A119936
• Square array T(m,n) giving the number of m X n (0,1)-matrices with pairwise distinct rows and pairwise distinct columns.at n=39A181230
• Square array T(m,n) giving the number of m X n (0,1)-matrices with pairwise distinct rows and pairwise distinct columns.at n=41A181230
• Number of n X (n+2) binary matrices with all rows unique and all columns unique.at n=3A181232
• Triangular array read by rows. T(n,k) is the number of functions f:{1,2,...,n}->{1,2,...,n} whose functional digraph has exactly k nodes such that no nonrecurrent element is mapped into it. n >= 1, 1 <= k <= n.at n=31A231536
• Greatest common divisor of (x^m+y^m+(x+y)^m) - (z^m+t^m+(z+t)^m) over all x,y,z,t such that x^2 + xy + y^2 = z^2 + zt + t^2 and m=2n.at n=1A238595
• Numerator of the harmonic mean of the first n squares.at n=7A246498
• a(n) = n^2*(n^2 - 1)^2/2.at n=14A288959
• Detour index for the n X n torus grid graph.at n=12A296784
• Order of the finite groups GL(m,q) [or GL_m(q)] in increasing order as q runs through the prime powers.at n=27A335384
• Pentagonal pyramidal numbers that are products of smaller pentagonal pyramidal numbers.at n=4A374501