678228

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=5A249254
• Number of length 6+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=6A249261