55177

Appears in sequences

• a(n) = T(n, 2*n-5), T given by A027926.at n=22A027928
• Number of base 31 circular n-digit numbers with adjacent digits differing by 7 or less.at n=4A125443
• Number of (n+2) X 7 0..1 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly three ways, and new values 0..1 introduced in row major order.at n=18A204378
• Number of (w,x,y,z) with all terms in {0,...,n} and |w-x|=max{w,x,y,z}-min{w,x,y,z}.at n=22A212755
• a(n) = Sum_{k=0..floor(n/2)} binomial(5*n-k,n-2*k).at n=5A371744