T(n,k)=Number of nXk 0..5 arrays with entries increasing mod 6 by 0, 1, 2 or 3 rightwards and downwards, starting with upper left zero.

A222104

T(n,k)=Number of nXk 0..5 arrays with entries increasing mod 6 by 0, 1, 2 or 3 rightwards and downwards, starting with upper left zero.

Terms

    a(0) =1a(1) =4a(2) =4a(3) =16a(4) =46a(5) =16a(6) =64a(7) =530a(8) =530a(9) =64a(10) =256a(11) =6108a(12) =17694a(13) =6108a(14) =256a(15) =1024a(16) =70394a(17) =591476a(18) =591476a(19) =70394a(20) =1024a(21) =4096a(22) =811286a(23) =19776286a(24) =57455502a(25) =19776286a(26) =811286a(27) =4096a(28) =16384a(29) =9350020

External references