T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237234
T(n,k)=Number of (n+1)X(k+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) =81a(1) =268a(2) =268a(3) =928a(4) =984a(5) =928a(6) =2784a(7) =3284a(8) =3284a(9) =2784a(10) =9628a(11) =10888a(12) =12014a(13) =10888a(14) =9628a(15) =28912a(16) =36180a(17) =29456a(18) =29456a(19) =36180a(20) =28912a(21) =100008a(22) =120540a(23) =97862a(24) =83436a(25) =97862a(26) =120540a(27) =100008a(28) =300256a(29) =401520
External references
- oeis: A237234