T(n,k) = number of n X k 0..5 arrays with no entry increasing mod 6 by 5 rightwards or downwards, starting with upper left zero.

A222281

T(n,k) = number of n X k 0..5 arrays with no entry increasing mod 6 by 5 rightwards or downwards, starting with upper left zero.

Terms

    a(0) =1a(1) =5a(2) =5a(3) =25a(4) =105a(5) =25a(6) =125a(7) =2205a(8) =2205a(9) =125a(10) =625a(11) =46305a(12) =194485a(13) =46305a(14) =625a(15) =3125a(16) =972405a(17) =17153945a(18) =17153945a(19) =972405a(20) =3125a(21) =15625a(22) =20420505a(23) =1513010465a(24) =6354787485a(25) =1513010465a(26) =20420505a(27) =15625a(28) =78125a(29) =428830605

External references