Number of (n+1)X6 binary arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.
A184067
Number of (n+1)X6 binary arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.
Terms
- a(0) =54a(1) =134a(2) =924a(3) =7671a(4) =56723a(5) =288744a(6) =1201502a(7) =4136338a(8) =11927710a(9) =29250767a(10) =62876028a(11) =120904433a(12) =212281665a(13) =345771803a(14) =530007739a(15) =773304379a(16) =1083892502a(17) =1469984808a(18) =1939804454a(19) =2501586120a(20) =3163566510a(21) =3933982328a(22) =4821070278a(23) =5833067064
External references
- oeis: A184067