Number of nX5 nonnegative integer arrays with each row and column increasing from zero by 0, 1 or 2.
A202809
Number of nX5 nonnegative integer arrays with each row and column increasing from zero by 0, 1 or 2.
Terms
- a(0) =1a(1) =15a(2) =356a(3) =8232a(4) =146300a(5) =1874539a(6) =17870566a(7) =133496644a(8) =817995997a(9) =4261304129a(10) =19398449839a(11) =78815353079a(12) =290571063342a(13) =984899160732
External references
- oeis: A202809