harmonic number
noun1
Mathematics, Number theory, Sciences Any of a series of numbers formed from the sum of the reciprocals of consecutive natural numbers
- The fourth harmonic number has a value of H_3=∑ₖ₌₁³1/k=1/1+1/2+1/3=1 5/6.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.