Number of n X 7 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
A281204
Number of n X 7 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =20a(1) =166a(2) =537a(3) =1358a(4) =3137a(5) =6838a(6) =14375a(7) =29416a(8) =58984a(9) =116466a(10) =227134a(11) =438532a(12) =839659a(13) =1596460a(14) =3017310a(15) =5673426a(16) =10619999a(17) =19801344a(18) =36791933a(19) =68149580a(20) =125882603a(21) =231941798a(22) =426388234a(23) =782226746a(24) =1432314394a(25) =2618121324a(26) =4778002317
External references
- oeis: A281204