Number of distributive lattices; also number of paths with n turns when light is reflected from 10 glass plates.
A030114
Number of distributive lattices; also number of paths with n turns when light is reflected from 10 glass plates.
Terms
- a(0) =1a(1) =10a(2) =55a(3) =385a(4) =2530a(5) =17017a(6) =113641a(7) =760804a(8) =5089282a(9) =34053437a(10) =227837533a(11) =1524414737a(12) =10199443436a(13) =68241935348a(14) =456589252304
External references
- oeis: A030114