117573120

Appears in sequences

• Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*9^j.at n=32A038287
• Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*8^j.at n=31A038298
• a(1) = 2, a(n+1) = a(n)*{tau(a(n))}.at n=7A085864
• Triangle read by rows, T(n,k) = k^n*A056040(n), n>=0, 0<=k<=n.at n=42A195009
• Triangular array read by rows: T(n,k) is the number of simple labeled graphs on n nodes with unicyclic components having exactly k nodes with degree 1; n>=3, 0<=k<=n-3.at n=31A217763