Number of (n+1)X(1+1) 0..2 arrays with the upper median of every 2X2 subblock equal.
A237301
Number of (n+1)X(1+1) 0..2 arrays with the upper median of every 2X2 subblock equal.
Terms
- a(0) =81a(1) =435a(2) =2174a(3) =11545a(4) =61055a(5) =326262a(6) =1745153a(7) =9357963a(8) =50227854a(9) =269885945a(10) =1451322519a(11) =7810753350a(12) =42066630913a(13) =226720598435
External references
- oeis: A237301