The phrase "a number of beans" is correct and usable in written English.
It can be used when referring to an unspecified quantity of beans, often implying that the amount is more than one but not a specific number.
Example: "After counting the harvest, we found that we had a number of beans left over from last season."
Alternatives: "several beans" or "a few beans".
The plan, according to the news article, is to: "feed beans to Democratic National Convention delegates for Bernie Sanders, and send them into the Philadelphia convention hall to show what they think of the former secretary of state". Beans will be provided in two "feeding locations" to entice delegates attending the convention with a number of varieties of beans to sample.
It is best to use a small amount, since a larger number of beans may make it easier for mold or other types of bacteria and fungi to grow.
Virgin adults are easily isolated because females will lay a single egg on each bean when provided with a large number of beans on which to oviposit.
American processors have crushed a record number of beans for animal feed, and exports are running high.
Each field may contain any number of bean cards, of any one bean type.
Milagro masters a number of details, like black beans mined with pork-belly bits, or the rapturously good pan-roasted slaw of cabbage, cucumber, carrots and zucchini that accompanies the chiles rellenos.
Genistein is an isoflavone belonging to the flavonoids group of compounds and is found in a number of plants including fava beans, soybeans, lupin, kudzu, and psoralea.
In their Indian setting beans generate usable answers for almost all respondents while a percent chance formulation produced a significant fraction of inconsistent answers.5 A practical consideration is the number of beans respondents are given to distribute.
Jevons found that he could estimate the number of beans in a box without error when there were four or fewer, but became increasingly inaccurate as the number of beans increased beyond four [1].
Over a century ago, Jevons [1] addressed the question of how many objects the mind can "embrace at once", by enumerating the number of beans that fell into a box, in a single glance.
