727664

Appears in sequences

• Numerators of continued fraction convergents to sqrt(641).at n=10A042230
• Triangle read by rows where T(n,k) is the number of patterns of length n with k runs.at n=52A335461
• Triangle read by rows where T(n,k) is the number of length-n sequences covering an initial interval of positive integers with k maximal anti-runs.at n=48A337506