112920

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 28.at n=23A031706
• a(n) = 576*n^2 + 24.at n=14A158637
• Number of permutations of 2 copies of 1..n avoiding adjacent step pattern up, down, down, down, down.at n=4A177565
• Number of -2..2 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^(t+u+v)) having four, five, six or eight distinct values for every i,j,k<=n.at n=10A211590