310987

Properties

Appears in sequences

• Number of (w,x,y,z) with all terms in {1,...,n} and w>=average{x,y,z}.at n=28A212089
• Number of (n+2)X(4+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 2 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 2 4 6 or 7.at n=7A252519
• Prime numbersat n=26878