96921

Appears in sequences

• a(n+1) is the smallest number > a(n) such that the digits of a(n)^2 are all (with multiplicity) contained in the digits of a(n+1)^2, with a(0)=2.at n=28A067975
• Numbers k such that the concatenation of k with 4*k gives a square.at n=16A115535
• Number of n X 3 0..4 arrays with each element equal to the number its horizontal and vertical neighbors within one of itself.at n=19A196012
• a(n) = coefficient of x^n in the power series A(x) such that: x = Sum_{n=-oo..+oo} (-1)^n * x^n * (1 + x^n)^n * A(x)^n.at n=10A359721