Number of (n+1) X (1+1) 0..2 arrays colored with the difference of the maximum and minimum in each 2 X 2 subblock.
A236048
Number of (n+1) X (1+1) 0..2 arrays colored with the difference of the maximum and minimum in each 2 X 2 subblock.
Terms
- a(0) =81a(1) =292a(2) =1112a(3) =3760a(4) =13716a(5) =46828a(6) =169500a(7) =582300a(8) =2096012a(9) =7237244a(10) =25932972a(11) =89903068a(12) =320993612a(13) =1116363900a(14) =3974561132a(15) =13858016796a(16) =49226653068a(17) =171984277180a(18) =609825727660
External references
- oeis: A236048