70167

Appears in sequences

• 24 'Reverse and Add' steps are needed to reach a palindrome.at n=43A065318
• Number of length n+3 0..4 arrays with no four elements in a row with pattern abab (with a!=b) and new values 0..4 introduced in 0..4 order.at n=6A243040
• T(n,k)=Number of length n+3 0..k arrays with no four elements in a row with pattern abab (with a!=b) and new values 0..k introduced in 0..k order.at n=51A243044