286384

Appears in sequences

• Number of positive meanders (walks starting at the origin and ending at any altitude > 0 that never touch or go below the x-axis in between) with n steps from {-3,-2,-1,1,2,3}.at n=8A278395
• Number of triangular regions in a "frame" of size n X n (see Comments in A331776 for definition), divided by 4.at n=42A332595