T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.
A251442
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.
Terms
- a(0) =192a(1) =2312a(2) =2312a(3) =27486a(4) =86930a(5) =27486a(6) =327033a(7) =3204536a(8) =3204536a(9) =327033a(10) =3888017a(11) =119053429a(12) =360591824a(13) =119053429a(14) =3888017a(15) =46227589a(16) =4414109389a(17) =41060404870a(18) =41060404870a(19) =4414109389a(20) =46227589a(21) =549607078a(22) =163787201307
External references
- oeis: A251442