105125

Appears in sequences

• Internal digits of n^2 include digits of n as subsequence, n does not end in 0.at n=20A046835
• Numbers n that are the hypotenuse of exactly 17 distinct integer-sided right triangles, i.e., n^2 can be written as a sum of two squares in 17 ways.at n=7A097239
• Numbers that factorize into a prime number of factors all raised to different prime exponents and no number appears both as an exponent and as a prime factor.at n=25A114131
• G.f. satisfies: A(x) = Product_{n>=0} 1/( (1 - (x*A(x))^(5*n+2)) * (1 - (x*A(x))^(5*n+3)) ).at n=15A203068
• a(n) = (4*n+9)*n^2.at n=29A258618
• Numbers n such that the decimal expansion of n^2 contains n+1.at n=16A282384