270404

Appears in sequences

• Number of length n+6 0..7 arrays with every seven consecutive terms having five times the sum of some two elements equal to two times the sum of the remaining five.at n=0A249254
• T(n,k)=Number of length n+6 0..k arrays with every seven consecutive terms having five times the sum of some two elements equal to two times the sum of the remaining five.at n=21A249255
• Number of length 1+6 0..n arrays with every seven consecutive terms having five times the sum of some two elements equal to two times the sum of the remaining five.at n=6A249256
• Number of Dyck paths with n nodes and altitude 3.at n=14A318943