205062

Appears in sequences

• Smallest squarefree term of adjacent squarefree pairs in the sequence of practical numbers (A005153).at n=16A268156
• Numbers k not ending in zero that are a substring of k*(k+1).at n=19A305670
• Triangle read by rows: T(n,k) = A(k,n-k), 1 <= k < n, 2 <= n, where A(m,n) is the number of distinct strings consisting of one X, m+n-1 Y's and m+n-1 Z's in which the X lies to the right of at least m Y's and at least m Z's.at n=42A351585