A Kynea number is an integer of the form
- .
An equivalent formula is
- .
This indicates that a Kynea number is the nth power of 4 plus the (n + 1)th Mersenne number. Kynea numbers were studied by Cletus Emmanuel who named them after a baby girl.
The sequence of Kynea numbers starts with:
- 7, 23, 79, 287, 1087, 4223, 16639, 66047, 263167, 1050623, 4198399, 16785407, ... (sequence A093069 in OEIS).
Read more about Kynea Number: Properties, Prime Kynea Numbers
Famous quotes containing the word number:
“Love has its name borrowed by a great number of dealings and affairs that are attributed to it—in which it has no greater part than the Doge in what is done at Venice.”
—François, Duc De La Rochefoucauld (1613–1680)