66294

Appears in sequences

• Numbers k such that the k-th triangular number contains each of the 10 decimal digits exactly once.at n=10A115939
• Number of length n+4 0..5 arrays with no pair in any consecutive five terms totalling exactly 5.at n=3A246734
• T(n,k)=Number of length n+4 0..k arrays with no pair in any consecutive five terms totalling exactly k.at n=31A246737
• Number of length 4+4 0..n arrays with no pair in any consecutive five terms totalling exactly n.at n=4A246741