Number of (n+1) X (1+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237405
Number of (n+1) X (1+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =81a(1) =322a(2) =1278a(3) =5228a(4) =21456a(5) =87164a(6) =354008a(7) =1441060a(8) =5874828a(9) =23898504a(10) =97285848a(11) =395850152a(12) =1612369288a(13) =6560036288a(14) =26713782880a(15) =108690607360a(16) =442654390864
External references
- oeis: A237405