T(n,k) = Number of (n+1) X (k+1) 0..2 arrays with the maximum minus the lower median of every 2 X 2 subblock equal.

A237850

T(n,k) = Number of (n+1) X (k+1) 0..2 arrays with the maximum minus the lower median of every 2 X 2 subblock equal.

Terms

    a(0) =81a(1) =369a(2) =369a(3) =1697a(4) =3419a(5) =1697a(6) =8451a(7) =31661a(8) =31661a(9) =8451a(10) =43061a(11) =320263a(12) =581994a(13) =320263a(14) =43061a(15) =224559a(16) =3281101a(17) =11700943a(18) =11700943a(19) =3281101a(20) =224559a(21) =1184701a(22) =34361837a(23) =234481287a(24) =468296881a(25) =234481287a(26) =34361837a(27) =1184701a(28) =6305583

External references