144420

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 38.at n=19A031716
• Determinant of n X n matrix defined by m(i,j) = 0 if i+j is a prime, m(i,j) = 1 otherwise.at n=36A071063
• a(n) = 400*n^2 + 20.at n=19A158601
• Total number of nodes summed over all lattice paths from (0,0) to (n,0) that do not go below the x-axis, and at (x,y) only allow steps (1,v) with v in {-1,0,1,...,y+1}.at n=11A333070