Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237229
Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =928a(1) =3284a(2) =12014a(3) =29456a(4) =97862a(5) =269844a(6) =926086a(7) =2450048a(8) =8256930a(9) =22301740a(10) =75579798a(11) =202641416a(12) =684983946a(13) =1842571444a(14) =6234175914a(15) =16748300216a(16) =56643845034a(17) =152257571812a(18) =515024932506
External references
- oeis: A237229