Number of n X 5 0..1 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
A280437
Number of n X 5 0..1 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =5a(1) =38a(2) =77a(3) =138a(4) =225a(5) =360a(6) =574a(7) =920a(8) =1487a(9) =2422a(10) =3971a(11) =6542a(12) =10814a(13) =17914a(14) =29713a(15) =49314a(16) =81861a(17) =135876a(18) =225470a(19) =373996a(20) =620083a(21) =1027598a(22) =1702087a(23) =2817898a(24) =4662910a(25) =7712270a(26) =12749909a(27) =21068730a(28) =34800297a(29) =57457632
External references
- oeis: A280437