319608

Appears in sequences

• Number of (w,x,y,z) with all terms in {0,...,n} and at least one of these conditions holds: w<R, x<R, y<R, z>R, where R=max{w,x,y,z}-min{w,x,y,z}.at n=23A212752
• Number of 2-Motzkin paths with no level steps at height 1.at n=13A253831