Number of (n+2) X 8 binary arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order.
A184545
Number of (n+2) X 8 binary arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order.
Terms
- a(0) =415a(1) =1114a(2) =2413a(3) =4774a(4) =8989a(5) =16345a(6) =28844a(7) =49489a(8) =82648a(9) =134509a(10) =213640a(11) =331669a(12) =504100a(13) =751282a(14) =1099549a(15) =1582550a(16) =2242789a(17) =3133396a(18) =4320151a(19) =5883784a(20) =7922575a(21) =10555279a(22) =13924402a(23) =18199855a(24) =23583014a(25) =30311215a(26) =38662714a(27) =48962143a(28) =61586494
External references
- oeis: A184545