53910

Appears in sequences

• Numerators of continued fraction convergents to sqrt(898).at n=5A042736
• a(n) = Sum_{i=0..n} T(i,n-i), array T as in A049735.at n=29A049736
• Triangle T(n,k) read by rows: T(n,1) = T(n,n)=1, otherwise T(n,k) = (3n-3k+1)*T(n-1,k-1) + k*(3k-2)*T(n-1,k), 1<=k<=n.at n=17A166962