Number of (n+1) X 3 binary arrays with rows and columns in nondecreasing order and with no 2 X 2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.
A184064
Number of (n+1) X 3 binary arrays with rows and columns in nondecreasing order and with no 2 X 2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.
Terms
- a(0) =11a(1) =16a(2) =36a(3) =73a(4) =134a(5) =225a(6) =354a(7) =529a(8) =758a(9) =1049a(10) =1410a(11) =1849a(12) =2374a(13) =2993a(14) =3714a(15) =4545a(16) =5494a(17) =6569a(18) =7778a(19) =9129a(20) =10630a(21) =12289a(22) =14114a(23) =16113a(24) =18294a(25) =20665a(26) =23234a(27) =26009a(28) =28998a(29) =32209
External references
- oeis: A184064