207946

Appears in sequences

• Number of length 6 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.at n=12A254223
• a(n) is the number of permutations of length n that avoid the pattern 231 and the mesh pattern (12, 409) or the same sequence for the mesh pattern (12, 473).at n=12A289451