165985

Appears in sequences

• Number of (w,x,y,z) with all terms in {0,...,n} and at least one of them is the range of {w,x,y,z}.at n=28A212746
• a(0)=1, a(1)=652, thereafter a(n) = 254*a(n-1)-a(n-2)+378.at n=2A350979
• Union of A350979 and A350980.at n=4A350981