1093760

Appears in sequences

• Royal paths in a lattice.at n=8A006321
• Internal digits of n^2 include digits of n as substring.at n=32A046836
• a(n) = [x^(2*n)] S(x)^n, where S(x) = (1 - x - sqrt(1 - 6*x + x^2))/(2*x) is the o.g.f. of the large Schröder numbers A006318.at n=4A333482