-2281

Appears in sequences

• McKay-Thompson series of class 30a for Monster.at n=25A058619
• Main diagonal of A291701.at n=9A291702
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = Sum_{j=0..n} (-k)^j * binomial(n,j)^3.at n=33A336179
• a(n) = Sum_{k=0..n} (-2)^k * binomial(n,k)^3.at n=5A336181