328125

Appears in sequences

• Triangle of coefficients in expansion of (3+5x)^n.at n=34A013622
• Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*3^j.at n=29A038245
• a(n) = n^(n+2)*(n^2 - 1)*(n+3)*(n+2)*(5*n - 7)/5760.at n=2A060349
• Numbers n that are the hypotenuse of exactly 6 distinct integer-sided right triangles, i.e., n^2 can be written as a sum of two squares in 6 ways.at n=14A097219
• Triangle by rows T(n,k), showing the number of meanders with length (n+1)*4 and containing (k+1)*4 Ls and (n-k)*4 Rs, where Ls and Rs denote arcs of equal length and a central angle of 90 degrees which are positively or negatively oriented.at n=23A197653
• Triangle read by rows: terms of a binomial decomposition of 0^(n-1) as Sum(k=0..n)T(n,k).at n=32A244129