Intended for: October 19, 2012
Timetable
- First draft entered by Alonso del Arte on April 8, 2012 ✓
- Draft reviewed by Daniel Forgues on October 18, 2012 ✓ October 10, 2018 ✓
- Draft to be approved by September 19, 2012
The line below marks the end of the <noinclude> ... </noinclude> section.
A065918: Logarithm of
.
-
This number figures in the search for
Mersenne primes thus: the
Mersenne number is
prime if and only if
divides
cosh (2 n − 2 log (2 + 2√ 3 ))
| = e + { 2 n − 2 log (2 + 2√ 3 ) } +
e − { 2 n − 2 log (2 + 2√ 3 ) } | 2 | |
| = (2 + 2√ 3 ) + { 2 n − 2 } +
(2 + 2√ 3 ) − { 2 n − 2 } | 2 | ,
|
|
where
is the
hyperbolic cosine function.
David Wilson has proposed calling the number
the
Helms constant.
The number
is sometimes called the
Kasner constant (see
A019973 for decimal expansion).