Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the lower median of every 2X2 subblock equal.
A237474
Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the lower median of every 2X2 subblock equal.
Terms
- a(0) =81a(1) =331a(2) =1337a(3) =5819a(4) =25665a(5) =116187a(6) =532185a(7) =2467403a(8) =11527361a(9) =54215595a(10) =256228025a(11) =1215875547a(12) =5787814977a(13) =27622298363a(14) =132098089113a(15) =632791544555
External references
- oeis: A237474