Number of planar triangular n X n X n nonnegative integer grids with every similarly oriented 3 X 3 X 3 subtriangle summing to 5.
A154045
Number of planar triangular n X n X n nonnegative integer grids with every similarly oriented 3 X 3 X 3 subtriangle summing to 5.
Terms
- a(0) =252a(1) =1304a(2) =3408a(3) =5277a(4) =7873a(5) =6195a(6) =3852a(7) =2331a(8) =1803a(9) =1728a(10) =1968a(11) =1728a(12) =1728a(13) =1872a(14) =1728a(15) =1728a(16) =1864a(17) =1728a(18) =1728a(19) =1872a(20) =1728a(21) =1728a(22) =1968a(23) =1728a(24) =1728a(25) =1872a(26) =1728a(27) =1728a(28) =1864a(29) =1728
External references
- oeis: A154045