Number of n X 7 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically.
A207122
Number of n X 7 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically.
Terms
- a(0) =31a(1) =961a(2) =6634a(3) =45796a(4) =186822a(5) =762129a(6) =2330037a(7) =7123561a(8) =18090482a(9) =45941284a(10) =102402024a(11) =228251664a(12) =461670264a(13) =933791364a(14) =1751615118a(15) =3285697041a(16) =5802776793a(17) =10248120289a(18) =17226819610a(19) =28957828900a(20) =46710814150a(21) =75347505025
External references
- oeis: A207122