96999

Appears in sequences

• Numbers having four 9's in base 10.at n=15A043528
• Number of (n+1)X(4+1) 0..2 arrays with every element both >= and <= some horizontal or antidiagonal neighbor.at n=1A232253
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every element both >= and <= some horizontal or antidiagonal neighbor.at n=11A232257
• Number of (2+1) X (n+1) 0..2 arrays with every element both >= and <= some horizontal or antidiagonal neighbor.at n=3A232259
• a(n) = Sum_{k=1..n} (binomial(n, k) * 3^k) (mod 4^k).at n=8A386662