Number of (n+2)X(7+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.
A258611
Number of (n+2)X(7+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.
Terms
- a(0) =2476716772a(1) =2276816656a(2) =640379355a(3) =168065296a(4) =140873790a(5) =194100624a(6) =298341960a(7) =465437476a(8) =732030024a(9) =1152059364a(10) =1817117950a(11) =2847396321a(12) =4458076344a(13) =6902618724a(14) =10661503972a(15) =16244012304a(16) =24669054520a(17) =36915473956a(18) =55041780794
External references
- oeis: A258611