9048064

Appears in sequences

• Squares of even octagonal numbers.at n=16A014794
• a(1)=0, a(2)=9; then distinct squares such that the sum of three successive terms is a square.at n=13A075373
• Square numbers s such that all the digits needed to write the consecutive square numbers from 0 to s fill exactly a square (no holes, no overlaps).at n=22A158028
• Expansion of (1+4*x)/(1-8*x+8*x^2).at n=8A164608
• Numbers with 39 divisors.at n=14A175748