Constants related to w(n), the probability that no run of k consecutive heads is obtained when a fair coin is tossed n times. In a 1949 paper, Feller showed that w(n) obeyed the condition
where α is the smaller (1<α<2) positive root of the equation
and
- ecosystem
- ecosystem services
- ECOSystem Spaceborne Thermal Radiometer Experiment on Space Station
- ecotaxation
- ecotone
- ecotope
- ecotourism
- ecotoxicology
- ecotype
- Eco, Umberto (1932–2016)
- ecozone
- ECQ
- ecruiting
- ECS
- ecstasy
- Ectasian
- ectocochlear
- ectoderm
- ectoparasite
- ectoplasm
- Ectoprocta
- ectotherm
- ectotrophic mycorrhiza
- ectype
- Ecuador