Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 1 vertically.
A207698
Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 1 vertically.
Terms
- a(0) =25a(1) =625a(2) =1250a(3) =2500a(4) =10000a(5) =40000a(6) =145200a(7) =527076a(8) =2056032a(9) =8020224a(10) =29854944a(11) =111133764a(12) =429565416a(13) =1660399504a(14) =6232977072a(15) =23397985296a(16) =90031551120a(17) =346426416400
External references
- oeis: A207698