351148

Appears in sequences

• Number of -7..7 arrays x(0..n-1) of n elements with zeroth through n-1st differences all nonzero.at n=4A199942
• Number of -n..n arrays x(0..4) of 5 elements with zeroth through 4th differences all nonzero.at n=6A199946
• Number of Dyck paths of semilength n such that no positive level has fewer than two peaks.at n=15A288678