Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237457
Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =308a(1) =1376a(2) =5938a(3) =25974a(4) =113324a(5) =496942a(6) =2183186a(7) =9577336a(8) =41971324a(9) =184102474a(10) =807827730a(11) =3543250384a(12) =15538743130a(13) =68158488618a(14) =298985438448
External references
- oeis: A237457