Number of (n+1)X(3+1) 0..2 arrays with the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237562
Number of (n+1)X(3+1) 0..2 arrays with the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =1256a(1) =7356a(2) =44828a(3) =272828a(4) =1668300a(5) =10006572a(6) =61521086a(7) =369916012a(8) =2269219612a(9) =13640047444a(10) =83744336902a(11) =503289951172
External references
- oeis: A237562