Number of (n+1) X (7+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally.
A253469
Number of (n+1) X (7+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally.
Terms
- a(0) =7227096a(1) =44464a(2) =17000a(3) =15680a(4) =20000a(5) =20864a(6) =32000a(7) =41600a(8) =80000a(9) =124544a(10) =272000a(11) =456320a(12) =1040000a(13) =1783424a(14) =4112000a(15) =7091840a(16) =16400000a(17) =28325504a(18) =65552000a(19) =113260160a(20) =262160000a(21) =452998784a(22) =1048592000a(23) =1811953280a(24) =4194320000
External references
- oeis: A253469