T(n,k)=Number of nXk 0..2 arrays with every row and column running average nondecreasing rightwards and downwards.

A200534

T(n,k)=Number of nXk 0..2 arrays with every row and column running average nondecreasing rightwards and downwards.

Terms

    a(0) =3a(1) =6a(2) =6a(3) =11a(4) =20a(5) =11a(6) =19a(7) =57a(8) =57a(9) =19a(10) =32a(11) =146a(12) =243a(13) =146a(14) =32a(15) =53a(16) =354a(17) =905a(18) =905a(19) =354a(20) =53a(21) =87a(22) =825a(23) =3135a(24) =4848a(25) =3135a(26) =825a(27) =87a(28) =142a(29) =1873

External references