Number of nX3 0..3 arrays with every row and column running average nondecreasing rightwards and downwards but some diagonal running average having a decrease.

A202163

Number of nX3 0..3 arrays with every row and column running average nondecreasing rightwards and downwards but some diagonal running average having a decrease.

Terms

    a(0) =0a(1) =4a(2) =55a(3) =752a(4) =8238a(5) =77960a(6) =663054a(7) =5215498a(8) =38678959a(9) =274025004a(10) =1872735358a(11) =12435556049a(12) =80677916282a(13) =513571982149

External references