Number of (n+2)X4 0..3 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.
A184567
Number of (n+2)X4 0..3 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.
Terms
- a(0) =102445a(1) =993538a(2) =6803631a(3) =37767705a(4) =179122657a(5) =748499580a(6) =2816118529a(7) =9696377100a(8) =30941723282a(9) =92420016377a(10) =260446479317a(11) =696942824390
External references
- oeis: A184567